Practice B
Name
Date
LESSON
Class
Practice B
m:Sim Angles of Elevation and Depression Marco b r e e d s a n d trains homing p i g e o n s on the roof of his building. C l a s s i f y e a c h angle a s an angle of elevation or an angle of d e p r e s s i o n . 1. Z 1 2. Z 2 3. Z 3 4. Z 4 To attract c u s t o m e r s to h i s c a r d e a l e r s h i p , Frank tethers a large red balloon to the ground. In E x e r c i s e s 5 - 7 , give a n s w e r s in feet and i n c h e s to the nearest i n c h . (Note: A s s u m e the c o r d that a t t a c h e s to the balloon m a k e s a straight s e g m e n t . )
5. The sun is directly overhead. T h e shadow of the balloon falls 14 feet 6 inches from the tether. Frank sights an angle of elevation of 67°. Find the height of the balloon.
14 ft 6 in.
6. Find the length of the cord that tethers the balloon. 7. The wind picks up and the angle of elevation changes to 59°. Find the height of the balloon.
Lindsey shouts down to Pete from her third-story window. 8. Lindsey is 9.2 meters up, and the angle of depression from Lindsey to Pete is 79°. Find the distance from Pete to the base of the building to the nearest tenth of a meter.
To see Lindsey better, Pete walks out into the street so he is 4.3 meters from the base of the building. Find the angle of depression from Lindsey to Pete to the nearest degree.
9,2 m
10. Mr. Shea lives in Lindsey's building. While Pete is still out in the street, Mr. Shea leans out his w i n d o w to tell Lindsey and Pete to stop all the shouting. The angle of elevation from Pete to Mr. Shea is 72°. Tell whether Mr. Shea lives above or below Lindsey.
Original content Copyright © by Holt McDougal. Additions and changes to the original content are the responsibility of the instructor.
8-28
Holt Geometry
Date
LESSON
Class
Practice B
m:Sim Angles of Elevation and Depression Marco b r e e d s a n d trains homing p i g e o n s on the roof of his building. C l a s s i f y e a c h angle a s an angle of elevation or an angle of d e p r e s s i o n . 1. Z 1 2. Z 2 3. Z 3 4. Z 4 To attract c u s t o m e r s to h i s c a r d e a l e r s h i p , Frank tethers a large red balloon to the ground. In E x e r c i s e s 5 - 7 , give a n s w e r s in feet and i n c h e s to the nearest i n c h . (Note: A s s u m e the c o r d that a t t a c h e s to the balloon m a k e s a straight s e g m e n t . )
5. The sun is directly overhead. T h e shadow of the balloon falls 14 feet 6 inches from the tether. Frank sights an angle of elevation of 67°. Find the height of the balloon.
14 ft 6 in.
6. Find the length of the cord that tethers the balloon. 7. The wind picks up and the angle of elevation changes to 59°. Find the height of the balloon.
Lindsey shouts down to Pete from her third-story window. 8. Lindsey is 9.2 meters up, and the angle of depression from Lindsey to Pete is 79°. Find the distance from Pete to the base of the building to the nearest tenth of a meter.
To see Lindsey better, Pete walks out into the street so he is 4.3 meters from the base of the building. Find the angle of depression from Lindsey to Pete to the nearest degree.
9,2 m
10. Mr. Shea lives in Lindsey's building. While Pete is still out in the street, Mr. Shea leans out his w i n d o w to tell Lindsey and Pete to stop all the shouting. The angle of elevation from Pete to Mr. Shea is 72°. Tell whether Mr. Shea lives above or below Lindsey.
Original content Copyright © by Holt McDougal. Additions and changes to the original content are the responsibility of the instructor.
8-28
Holt Geometry
