Respuesta :

940172

Answer:

18ft

Step-by-step explanation:

subbhy
Use Pythagoras’ theorem.

You are given the vertical height (24 feet) and the hypotenuse (slanted height, 30 feet)

Pythagoras’ theorem is a^2 + b^2 = c^2

Where c is the hypotenuse and a and b are the other two sides of a right angle triangle.

So a^2 = c^2 - b^2

a^2 = 30^2 - 24^2
a^2 = 900 - 576
a^2 = 324

(Square root)

a = 18 feet

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