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abruzzese [7]
3 years ago
8

A guard in a 20m tall watchtower spots a vehicle at an angle of depression oi 25

Mathematics
1 answer:
victus00 [196]3 years ago
5 0

Answer:

Solution given:

height[p]=20m

angle of depression [a]=25°

base[b]=?

we have

Tan a=p/b

tan 25=20/b

b=20/tan25

b=42.89 or 43

<u>the tower </u><u>is</u><u> </u><u>4</u><u>3</u><u>m</u><u> </u><u>far</u><u> </u><u>from</u><u> the </u><u>vehicle</u><u> </u><u>.</u>

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