by BlastRoom
Use the 180-degree angle sum and the exterior angle theorem to find a missing angle.
#us_grade_8_math

40 questions
One question set, multiple game modes. Tap any game to see it in action. Not sure which to pick?
Answer to place stones and capture territory.
Outrun the snow together.
Earn blasts, then hunt the other team.
Answer to earn energy, then climb.

The class blasts through walls together.
Bid on mystery lots. Most money wins.
Sell tours. Nice, standard, or a total scam.
Answer, restock, and serve the rush.
More correct answers pulls the rope your way.
Answer, then shoot down the alien wave.
Answer, then tap to leap the frozen ridge.
A right triangle has a right angle at A and an angle of 70 degrees at B. The third angle is marked with a question mark. What is the measure of angle C?

In triangle ABC, angle A measures 106 degrees and angle B measures 21 degrees. The third angle is marked with a question mark. What is the measure of angle C?

In triangle ABC, angle A measures 48 degrees and angle B measures 95 degrees. The third angle is marked with a question mark. What is the measure of angle C?

An isosceles triangle has two base angles that each measure 76 degrees, and its third angle is marked with a question mark. What is the measure of the third angle?

A right triangle has a right angle at A and an angle of 58 degrees at B. The third angle is marked with a question mark. What is the measure of angle C?

In triangle ABC, angle A measures 17 degrees and angle B measures 60 degrees. The third angle is marked with a question mark. What is the measure of angle C?

In triangle ABC, angle A measures 57 degrees and angle B measures 74 degrees. The third angle is marked with a question mark. What is the measure of angle C?

In triangle ABC, angle A measures 24 degrees and angle B measures 55 degrees. Side AC is extended beyond C, and the exterior angle formed there is marked x. What is the measure of that exterior angle?

In triangle ABC, angle A measures 66 degrees and angle B measures 86 degrees. Side AC is extended beyond C, and the exterior angle formed there is marked x. What is the measure of that exterior angle?

In triangle ABC, angle A measures 47 degrees and angle B measures 34 degrees. Side AC is extended beyond C, and the exterior angle formed there is marked x. What is the measure of that exterior angle?

A right triangle has a right angle at A and an angle of 30 degrees at B. The third angle is marked with a question mark. What is the measure of angle C?

An isosceles triangle has two base angles that each measure 63 degrees, and its third angle is marked with a question mark. What is the measure of the third angle?

Two angles of a triangle measure 62 degrees and 28 degrees, and the third angle is marked with a question mark. How is this triangle classified by its angles?

In triangle ABC, angle A measures 59 degrees and angle B measures 18 degrees. Side AC is extended beyond C, and the exterior angle formed there is marked x. What is the measure of that exterior angle?

Two angles of a triangle measure 18 degrees and 47 degrees, and the third angle is marked with a question mark. How is this triangle classified by its angles?

In triangle ABC, angle A measures 86 degrees and angle B measures 69 degrees. Side AC is extended beyond C, and the exterior angle formed there is marked x. What is the measure of that exterior angle?

Two angles of a triangle measure 47 degrees and 43 degrees, and the third angle is marked with a question mark. How is this triangle classified by its angles?

An isosceles triangle has two base angles that each measure 43 degrees, and its third angle is marked with a question mark. What is the measure of the third angle?

In triangle ABC, angle A measures 95 degrees and angle B measures 16 degrees. The third angle is marked with a question mark. What is the measure of angle C?

Two angles of a triangle measure 74 degrees and 51 degrees, and the third angle is marked with a question mark. How is this triangle classified by its angles?

Two angles of a triangle measure 65 degrees and 58 degrees, and the third angle is marked with a question mark. How is this triangle classified by its angles?

In triangle ABC, angle A measures 94 degrees and angle B measures 49 degrees. The third angle is marked with a question mark. What is the measure of angle C?

An isosceles triangle has two base angles that each measure 26 degrees, and its third angle is marked with a question mark. What is the measure of the third angle?

In triangle ABC, angle A measures 43 degrees and angle B measures 49 degrees. Side AC is extended beyond C, and the exterior angle formed there is marked x. What is the measure of that exterior angle?

In triangle ABC, angle A measures 59 degrees and angle B measures 100 degrees. The third angle is marked with a question mark. What is the measure of angle C?

Two angles of a triangle measure 60 degrees and 60 degrees, and the third angle is marked with a question mark. How is this triangle classified by its angles?

In triangle ABC, angle A measures 97 degrees and angle B measures 19 degrees. The third angle is marked with a question mark. What is the measure of angle C?

In triangle ABC, angle A measures 18 degrees and angle B measures 92 degrees. Side AC is extended beyond C, and the exterior angle formed there is marked x. What is the measure of that exterior angle?

An isosceles triangle has two base angles that each measure 68 degrees, and its third angle is marked with a question mark. What is the measure of the third angle?

A right triangle has a right angle at A and an angle of 59 degrees at B. The third angle is marked with a question mark. What is the measure of angle C?

Two angles of a triangle measure 55 degrees and 35 degrees, and the third angle is marked with a question mark. How is this triangle classified by its angles?

In triangle ABC, angle A measures 40 degrees and angle B measures 82 degrees. Side AC is extended beyond C, and the exterior angle formed there is marked x. What is the measure of that exterior angle?

In triangle ABC, angle A measures 85 degrees and angle B measures 22 degrees. Side AC is extended beyond C, and the exterior angle formed there is marked x. What is the measure of that exterior angle?

In triangle ABC, angle A measures 47 degrees and angle B measures 59 degrees. The third angle is marked with a question mark. What is the measure of angle C?

In triangle ABC, angle A measures 87 degrees and angle B measures 73 degrees. The third angle is marked with a question mark. What is the measure of angle C?

In triangle ABC, angle A measures 65 degrees and angle B measures 39 degrees. Side AC is extended beyond C, and the exterior angle formed there is marked x. What is the measure of that exterior angle?

In triangle ABC, angle A measures 93 degrees and angle B measures 36 degrees. The third angle is marked with a question mark. What is the measure of angle C?

In triangle ABC, angle A measures 58 degrees and angle B measures 87 degrees. The third angle is marked with a question mark. What is the measure of angle C?

Two angles of a triangle measure 55 degrees and 68 degrees, and the third angle is marked with a question mark. How is this triangle classified by its angles?

An isosceles triangle has two base angles that each measure 46 degrees, and its third angle is marked with a question mark. What is the measure of the third angle?

Crack the passcode before the zombies get in.
Answer, then swat bugs for bonus points.
Race through questions at your own speed.
Same question on every screen. Fastest wins.

Pick a tile, answer, hit bonuses and steals.
Finding the Hypotenuse
40 questions