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6. An isosceles triang has perimet,er 30 cm and each of the equal sides is 12 cm. Find the area of the triangle.

6. An isosceles triang has perimet,er 30 cm and each of the equal sides is 12 cm. Find the area of the triangle.

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 60787 Points
3 years ago
Each equal side of the isosceles triangle is 12 cm. :. Third side = (30 - 12 - 12) cm = 6 cm. So, sides of triangle are 12 cm, 12 cm and 6 cm. 12 + 12 + 6 s 2 = 15 Now, area = 15(15 - 12X15 - 12)(16 - 6) = 16 x 3 x 3 x 9 = 9 .J1r, cm2

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