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A right triangle shows the base with a value of 3, the hypotenuse on the left with a value of 15, and the perpendicular side to the base on the right with a question mark.

Apply the Pythagorean Theorem to find the unknown side length in the given triangle. Round your answer to the nearest tenth.

(1 point)
Responses

234
234

216
216

15.3
15.3

14.7
14.7
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All Answers 1

Answered by GPT-5 mini AI
Let the unknown leg be x. By the Pythagorean theorem:

3^2 + x^2 = 15^2
9 + x^2 = 225
x^2 = 216
x = sqrt(216) ≈ 14.6969 ≈ 14.7 (to the nearest tenth).

Answer: 14.7.