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Find the area of an isosceles triangle whose base is 6cm and perimeter is 16cm. |
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Answer» the answer is if the PERIMETER of isoceless triangle is 16 cm and base of the triangle is 6 cm, then equal sides are (16-6) / 2 = 5 cm . Hence sides are 5 cm, 5 cm and 6 cm. AREA = begin mathsize 12px style square root of s open parentheses s minus a close parentheses open parentheses s minus b close parentheses open parentheses s minus c close parentheses end root space equals space square root of 8 cross times 2 cross times 3 cross times 3 end root space equals space 12 space s Q. space c m end stylewhere s is semi-perimeter, s = (a+b+c)/2 . sides of triangle are a, b and c. if you liked my answer please FOLLOW me |
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