Question 14 • Geometry
The third side is 50 − 22 − 13 = 15 inches. The semiperimeter is s = 50 ÷ 2 = 25, so Heron’s formula gives area = √(25 × 3 × 12 × 10) = √9000 ≈ 94.9 square inches. Rounded to the nearest square inch, the area is 95 square inches, choice C.
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