Question

What is the value of a?

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a =

A right triangle with base labeled as 20. The hypotenuse is labeled as 25. The perpendicular is labeled as a. The angle made between the base and the perpendicular is marked as a right angle.

Answer 1

a = 15

Explanation:

25^2 = 20^2 + a^2

25^2 - 20^2 = a^2

225 = a ^2

a = 15