Cosine, Sine, Tangent

Calculate the length of the side opposite a 30° angle in a right triangle with a hypotenuse of 10 cm using sine.

• 8 cm

• 3 cm

• 7 cm

• 5 cm

Tags

CCSS.HSG.SRT.C.8

A flagpole casts a shadow of 1500 centimeters when the angle of elevation of the sun is 60°. How tall is the flagpole?

• 22.14 meters

• 25.98 meters

• 20.36 meters

• 18.75 meters

Tags

CCSS.HSG.SRT.C.8

In a triangle, the angle opposite a side of length 80mm is 45°. Find the adjacent length

• 6.32 cm

• 25.5cm

• 13.45 cm

• 9.75 cm

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

A ladder is leaning against a wall forming a 60° angle with the ground. If the ladder is 10 meters long, how far is the base of the ladder from the wall?

• 5 meters

• 12 meters

• 7 meters

• 8 meters

Tags

CCSS.HSG.SRT.C.8

If the angle of elevation to the top of a building is 30° and the building is 50 meters away, how tall is the building?

• 40 meters

• 32.14 meters

• 25.5 meters

• 28.87 meters

Tags

CCSS.HSG.SRT.C.8

Find the length of the side opposite a 60° angle in a triangle with a hypotenuse of 12 cm

• 11.62 cm

• 10.39 cm

• 9.84 cm

• 8.75 cm

Tags

CCSS.HSG.SRT.C.8

A ship is 100 meters away from a lighthouse. If the angle of elevation to the top of the lighthouse is 45°, how tall is the lighthouse?

• 50 meters

• 75 meters

• 100 meters

• 120 meters

Tags

CCSS.HSG.SRT.C.8

Calculate the length of the side adjacent to a 45° angle in a right triangle with a hypotenuse of 20 cm using cosine.

• 10.5 cm

• 18.75 cm

• 22.36 cm

• 14.142 cm

Tags

CCSS.HSG.SRT.C.8

A tree casts a shadow of 2500 centimeters when the angle of elevation of the sun is 30°. How tall is the tree?

• 22.3 meters

• 20.5 meters

• 18.75 meters

• 14.43 meters

Tags

CCSS.HSG.SRT.C.8

In a triangle, the angle opposite a side of length 15 cm is 60°. Find the length of the side.

• 17.32 cm

• 12.5 cm

• 14.5 cm

• 25.98 cm

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11