Solving Triangles Geometry

Find AB. Round to the nearest tenth.

Find KL. Round to the nearest tenth, if needed.

You are standing on a footbridge that is 12 feet above a lake. You look down and see a duck in the water. The duck is 7 feet away from the footbridge. What is the angle of elevation from the duck to you?

Determine which of the two acute angles has the given trigonometric ratio.

The cosine of the angle is 4/5.

• Angle A

• Angle C

Determine which of the two acute angles has the given trigonometric ratio.

The sine of the angle is 0.96

• Angle A

• Angle C

Find m∠K. Round to the nearest tenth, if needed.

Find ML. Round to the nearest tenth, if needed.

 Find sinA

• 32/40

• 32/24

• 24/40

• 24/32

 Find cosC

• 16/34

• 16/30

• 30/34

• 34/16

 Find sinC

• 21/35

• 28/21

• 35/28

• 28/35