Q.11. Sides of a triangle are in the ratioof 12:17:25 and its perimeter is 54 cm. Find the area of the triangle (a) 70cm (b) 80 cm (c) 90cm? (d) 100 cm
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Therefore, the area of this triangle is 90 cm
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Let the common ratio between the sides of the given triangle be x. Therefore, the side of the triangle will be 12x, 17x, and 25x. Sides of the triangle will be 120 cm, 170 cm, and 250 cm. Therefore, the area of this triangle is 9000 cm2.
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