3 years ago

The second floor of a building is 20 m above the ground.

Mathematics

1 answer:

Ipatiy [6.2K]3 years ago

5 0

45°?

Step-by-step explanation:

The second floor of a building is 20 m above the ground.

From this floor, the angle of

elevation of the top of an eucalyptus tree is 15°

and the angle of depression of the foot of the same tree is 10°

10+15+20=45

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