Pre Assessment

An angle of elevation is the angle formed by a _______ line and a line of site to a point _____ the line.

• vertical, above

• horizontal, above

• vertical, below

• horizontal, below

An angle of ____ is the angle formed by a horizontal line and a line of sight to a point ____ the line.

• elevation, above

• elevation, below

• depression, above

• depression, below

• Angle of Elevation

• Angle of Depression

• Angle of Elevation

• Angle of Depression

• Angle of Elevation

• Angle Of Depression

• Angle of Elevation

• Angle of Deprresion

Ravaine sees a bird’s nest high in a tree. She decides to use trigonometry to estimate how high the nest is.

Ravaine walks 15 ft. from the base of the tree. She measures an angle of elevation from the ground to the nest of 62 degrees.

Find how high the nest is above the ground, to the nearest foot.

• 26.21

• 27.21

• 28.21

• 29.21

Abigail, a trapeze artist, stands on a 10-m high platform.

Abigail measures a 40-degree angle of depression to the base of the other platform. Find the distance between the bases of the platforms.

• 13.56 m

• 14.56 m

• 15.56 m

• 16.56 m

A ladder leans against a wall and makes an angle of 30° on the ground. How long is the ladder if its foot is 41 m away from the wall?

• 22.67

• 23.67

• 24.67

• 25.67

Alex’s kite has a string 40 feet long and is flying 27 feet above his eye level. Find the angle of elevation of the kite.