Question

An isosceles triangle has perimeter 30cm and each of the equal sides is 12 cm . find the area of the triangle?​

Answer 1

★᭄ꦿ᭄Answer★᭄ꦿ᭄

A ≈ 40.25

Answer 2

Answer:

A=bhb

2

P=2a+b

hb=a2﹣b2

4

Solving forA

A=1

4bP(P﹣2b)=1

4·12·30·(30﹣2·12)≈40.24922cm²