SOLUTION: the perimeter of an isosceles triangle is 40cm. if 3 times the base is equal to 4 times the congruent sides. find the length of each side of triangle.
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Question 869989: the perimeter of an isosceles triangle is 40cm. if 3 times the base is equal to 4 times the congruent sides. find the length of each side of triangle.
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
base=b
congruent side =a
3b=4a
b=(4a/3)
a+a+(4a/3)=40
10a/3=40
10a=120
a=12 cm
b=(4/3)a
=(4/3)12
b=16 cm
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