Asked by zoe
If an isosceles triangle has a perimeter of 100 cm, and a base length of 28cm, what is the length of each leg?
Answers
Answered by
Bosnian
An isosceles triangle is a triangle that has two legs of equal length.
Mark legs of equal length wit x
Perimeter is sum of the sides.
x + x + 28 = 100
2 x + 28 = 100
2 x = 100 - 28 = 72
x = 72 / 2 = 36
x = 36 cm
Mark legs of equal length wit x
Perimeter is sum of the sides.
x + x + 28 = 100
2 x + 28 = 100
2 x = 100 - 28 = 72
x = 72 / 2 = 36
x = 36 cm
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