If the perimeter of an isosceles triangle is 11cm and base 5cm find the area of the triangle
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two equal sides are 3 and 3. use Herons formula
Area = root of 11/2 * 1/2* 5/2* 5/2 = 5/4 root 11
Area = root of 11/2 * 1/2* 5/2* 5/2 = 5/4 root 11
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Answer: 5/4 root 11 cm 2
Step-by-step explanation:herons formula
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