Dr. Black is standing 20 feet from a streetlamp. The lamp is making his shadow 5 feet long. He estimates that the angle of eleva

Question

3 years ago

11

tion from the tip of his shadow to the top of the streetlamp is 30. To the nearest foot, the streetlamp is about _____.

1 answer:

Furkat [3] · Answer 1 · 2022-06-08T18:23:24+03:00

Furkat [3]3 years ago

4 0

the base of the triangle would be 20 +5 = 25 feet

the angle of elevation is 30 degrees

multiply tan(30) by 25 = 14.433

rounded to nearest foot = 14 feet