What is the area of a right triangle with a hypotenuse measuring 5 inches and a base measuring 4 inches? A. 12 in2 B. 10 in2 C. 7.5 in2 D. 6 in2

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asked Jun 28, 2019 69.2k views

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GlennS · Answer 1 · 2019-06-30T20:14:28+0000

a^2 + b^2 = c^2

4^2 + b^2 = 5^2

16 + b^2 = 25

b^2 = 9

b = 3 or b = -3

Since b is a leg of a triangle, we discard the negative answer.

b = 3

A = bh/2 = 3 in * 4 in / 2 = 6 in^2

Answer: D. 6 in^2

What is the area of a right triangle with a hypotenuse measuring 5 inches and a base measuring 4 inches? A. 12 in2 B. 10 in2 C. 7.5 in2 D. 6 in2

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