ishaanny05 ishaanny05

11-01-2021
Mathematics

contestada

A 21 foot flagpole casts a shadow on a flat concrete patio. The
distance from the top of the pole to the tip of the shadow is 23 feet.
What is the distance along the ground from the base of the pole to the
tip of the shadow (nearest tenth)?

Respuesta :

cwrw238 cwrw238

11-01-2021

Answer:

9.4 feet to the nearest tenth.

Step-by-step explanation:

This makes a right triangle so we use Pythagoras:

23^2 = 21^2 + d^2 where d is the required distance.

d^2 = 23^2 - 21^2

d^2 = 88

d = √88 = 9.3808

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