Perimeter of a isoceles doriangle is 30cm and its equal
sides 12cm find the area of the triangle.
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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
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