D B 63° 87° 819 NOT TO SCALE (b) What type of angle is angle AOB? C OBTUSE Answer(b)

If the angle of elevation to the sun is 74.3 when a flagpole casts a shadow of 22.5 feet, what is the height of the flagpole? a. 63.2 feet b. 79.5 feet c. 83.1 feet d. 80.0 feet

To determine the angle of elevation of a star in the sky, you align the star and the top of the backboard of a basketball hoop that is 5 feet higher than your eyes in your line of vision (see figure). Your horizontal distance from the backboard is 12 feet. What is the angle of elevation of the star?

Determine the values of 1 through 10.

a. Determine: (1) 1 (2) Side a b. Determine: (1) 1 (2) Side b (3) Side c c. Determine: (1) 1 (2) 2

Which symbols correctly name the angle shown?ABC, ACB, CBA

Gina is standing near a building and notices that the angle of elevation to the top of the building is 68. She then walks 72 feet further away from the building and notices that the angle of elevation to the top of the building is now only 51. Find the height of the building. a. 2511 b. 56ft c. 149ft d. l80ft

Use a protractor to measure this angle. If necessary, extend the sides of the angle.

Use a protractor to measure the angle to the nearest degree. Extend the sides of the angle if necessary.