SOLUTION: the length of one of the equal legs of an isosceles triangle is 8 cm less than 4 times the length of the base. If the perimeter is 29cm, find the length of one of the equal legs.
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Question 45009: the length of one of the equal legs of an isosceles triangle is 8 cm less than 4 times the length of the base. If the perimeter is 29cm, find the length of one of the equal legs.
A. 11cm
b. 4cm
b. 12cm
d. 5cm
Answer by Nate(3500) (Show Source): You can put this solution on YOUR website!
base: b
one of the equal sides: 4b - 8
b + 4b - 8 + 4b - 8 = 29
9b - 16 = 29
9b = 45
b = 5
one of the equal sides: 4b - 8 = 20 - 8 = 12
(b)
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