an isosceles trianglehas perimeter 30 cm and each of the equal sides is 12 cm. find the area of triangle
Answers
Answered by
77
First,let the third side be x.
It is given that the length of the equal sides us 12 cm and it's perimeter is 30 cm.
So,
So,the length of the third side is 6 cm.
Thus,the semi perimeter of the isosceles triangle (s) = 30/2 cm =15 cm
By using Heron's Formula,
Area of the triangle,
Answered by
1
A≈40.25cm²
I have given you the answer in short
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