Q. The perimeter of an isosceles triangle is 42 cm . Its base is times the sum of equal sides. Find the length of each side and area of a triangle.
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Kindly refer to the link for the similar query.
https://www.meritnation.com/ask-answer/question/each-of-the-equal-sides-find-the-length-of-each-side-o/herons-formula/5908957
Regards