4. An 8-m ladder must be placed against a wall such that the base of the ladder makes a 60° angle to the ground. How far up the wall will the ladder reach, to the nearest tenth of a metre? 16.0 m b. C. 9.2 m d. 6.9 m a. 4.0 m
4. An 8-m ladder must be placed against a wall such that the base of the ladder makes a 60° angle to the ground. How far up the wall will the ladder reach, to the nearest tenth of a metre? 16.0 m b. C. 9.2 m d. 6.9 m a. 4.0 m
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter9: Surfaces And Solids
Section9.3: Cylinders And Cones
Problem 48E: When radii OA and OB are placed so that they coincide, a 240 sector of a circle is sealed to form a...
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4. An 8-m ladder must be placed against a wall such that the base of the ladder makes a 60° angle to the ground.
How far up the wall will the ladder reach, to the nearest tenth of a metre?
a. 16.0 m
b. 4.0 m
c. 9.2 m
d. 6.9 m
10°
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