Question

the equal sides of the isosceles triangle are 12cm, and the perimeter is 30cm. The area of this triangle is:
(a) 9√15 sq.cm
(b)6√15 sq.cm
(c)3√15 sq. cm
(d)15√ sq. cm

class 9th question please answer it correctly​

Answer 1

Summary: It is given that there is an isosceles triangle that has a perimeter of 30 cm and each of the equal sides is 12 cm. We have found that its area is 9√15 cm2.

Answer 2

The answer is (a)9√15

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