Question

The perimeter of the isosceles triangle is 60 cm and its base is 15 cm. Then the area of the triangle is :​

Answer 1

Answer:

2x+15=60(2x is written because there two parallel lines which not given)

2x=15-60

2x=-45

x=-45/2

that's the answer

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Answer 2

find it through 'whole root of (s)(s-a)(s-b)(s-c). Where s = half of perimeter

(Its sides are 22.5, 15, and 22.5 respectively.