The perimeter of an isosceles triangle is 15 cm -Maths 9th

1 Answer

Answer :

Yes,   2b + a = 15 ⇒  25 + 7 = 15   ⇒   b = 14 ∴ Area of isosceles triangle = 7/4 root under( √4b2 - a2) = 7/4 root under( √4 x 42 - 72) = 7/4 root under( √64 - 49) = 7/4. √15 cm2 Curiosity, knowledge, truthfulness.

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