Find the area of a triangle two sides of which are 18cm and 10cm and the perimeter is
42cm.
Sides of a triangle are in the ratio of 12:17:25 and its perimeter is 540cm. Find its area.
An isosceles triangle has perimeter 30 cm and each of the equal sides is 12 cm. Find
the area of the triangle.
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1 )69.65
2) 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.
3) 40.25
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