# One side of an isosceles triangle whose perimeter is 42 units measures 10 units. find the area of the triangle

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I think 76 square units. :)

(Height)² = (16)² - (10/2)²

(Height)² = 256 - 25

Area of the triangle = (bh)/2

Area = [(10)] ÷ 2

Area =

Area = 5√231

Area ≈ 5 (15.19868)

Area ≈ 75.9934

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