Find, to the nearest integer, the number of feet in the length of a shadow cast on level ground by a 15-foot vertical pole

when the angle of elevation of the sun is 53°.

A 11

B 9

C 10

D 12

Length of shadow on the ground = 11 ft (Approx)

Step-by-step explanation:

Given:

Height of pole = 15 ft

Angle of elevation of the sun = 53°

Find:

Length of shadow on the ground = ?

Computation:

⇒ Tan A = Height / Base

⇒ Tan A = Height of pole / Length of shadow on the ground

⇒ Tan 53° = Height of pole / Length of shadow on the ground

⇒ Tan 53° = Height of pole / Length of shadow on the ground

⇒ 1.327 = 15 / Length of shadow on the ground

⇒ Length of shadow on the ground = 15 ft / 1.327

⇒ Length of shadow on the ground = 11.3 ft

Length of shadow on the ground = 11 ft (Approx)

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