The perimeter of the triangle is 44cm.if its sides are in the ratio 9:7:6 find its area
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Answer:
Step-by-step explanation:
Ratio =9:7:6
perimeter =44cm
Let the common factor be x
Therefore
9x+7x+6x=44
22x=44
x=44/22
x=2
Sides are 18cm 14cm 12cm
By herons formula
Area=√s(s-a)(s-b)(s-c)
=√22(22-18)(22-14)(22-12)
=√22(4)(8)(10)
√22*320
√7040
=8√110
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