by BlastRoom
Mixed problems on right and oblique triangles: the six ratios, both laws, the ambiguous case, area, arc length and sector area.
#precalculus

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 triangle has sides measuring , and units. What is its area?
An arc of length m lies on a circle of radius m. What is the measure of the central angle, in radians?
Use right triangle . What is ?

In triangle , angle measures 50 degrees, the side opposite it measures , and the side opposite angle measures . How many triangles fit these measurements?
A central angle measuring radians cuts off an arc of length cm. What is the radius of the circle?
In triangle the measurements given are two sides and the angle between them. Which relation do those parts support, and why?
Use right triangle . What is ?

In triangle the sides opposite angles and are known, along with angle , which lies between them. Which equation gives the remaining side?
Use right triangle . Which value is closest to the length of ?

A triangular plot of land has sides measuring m, m and m. Which value is closest to the measure of its largest angle?
Two rangers stand m apart along a straight fire road. From the line joining them, the angle to the smoke plume is 49 degrees at the first and 37 degrees at the second. Which is closest to the distance from the first to the smoke plume?
In triangle , angle measures 35 degrees, the side opposite it measures , and the side opposite angle measures . How many triangles fit these measurements?
Use triangle . Which value is closest to the length of ?

In triangle the measurements given are two angles and a side not between them. Which relation do those parts support, and why?
A triangle has two sides measuring m and m, and the angle between them measures 95 degrees. Which value is closest to the area of the triangle?
In triangle the measurements given are two sides and an angle opposite one of them. Which relation do those parts support, and why?
A triangle has sides measuring , and units. What is its area?
Two surveyors stand m apart on a straight fence line. From the line joining them, the angle to the boundary marker is 53 degrees at the first and 58 degrees at the second. Which is closest to the distance from the first to the boundary marker?
For an acute angle in a right triangle, . What is ?
A triangle has sides measuring , and units. What is its area?
Use triangle . Which value is closest to the length of ?

Use right triangle . What is ?

From a point on the ground ft from the base of a chimney, the angle of elevation to its top is 60 degrees. Which value is closest to its height?
In triangle the measurements given are three sides. Which relation do those parts support, and why?
Use triangle . Which value is closest to the length of ?

A circle has radius ft and a central angle measuring radians. What is the exact length of the arc that angle cuts off?
In triangle , angle measures 48 degrees, the side opposite it measures , and the side opposite angle measures . Taking the solution in which angle is obtuse and measures about 119.0 degrees, which value is closest to the side opposite angle ?
Use triangle . Which value is closest to the length of ?

In triangle , angle measures 46 degrees, the side opposite it measures , and the side opposite angle measures . Taking the solution in which angle is obtuse and measures about 106.4 degrees, which value is closest to the side opposite angle ?
In triangle , the side opposite angle measures , the side opposite angle measures , and the side opposite angle measures . What does applying the Law of Cosines show about this triangle?
Two straight roads leave a junction at an angle measuring 112 degrees. A car drives km along one and a truck drives km along the other. Which value is closest to the straight-line distance between them?
In triangle , two unequal sides and and the angle between them are known, and the Law of Cosines has given side . Which angle can the Law of Sines find next with no risk of mistaking an obtuse angle for an acute one?
Use triangle . Which value is closest to the length of ?

In triangle , all three sides , and are known. Which equation gives ?
Use right triangle . What is ?

In triangle the measurements given are two angles and the side between them. Which relation do those parts support, and why?
In triangle , angles and and the side between them are known, and . How many triangles fit these measurements?
A circle has radius cm and a central angle measuring radians. What is the exact area of the sector?
A triangle has two sides measuring cm and cm, and the angle between them measures 36 degrees. Which value is closest to the area of the triangle?
In triangle , angle measures 75 degrees, the side opposite it measures , and the side opposite angle measures . The height from to line is . What is , and how many triangles fit?
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.
Trigonometric Identities and Equations Review
40 questions