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16-12-2022
Mathematics

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in an isosceles triangle the perimeter is 8 more than two times one of the legs if the perimeter is 28 find the length of the base

Respuesta :

16-12-2022

Answer:

base = 8

Step-by-step explanation:

In an isosceles triangle, the legs are equal.

P = 28 = 2L + 8

2L + 8 = 28

2L = 20

L = 20/2 = 10 (length of each leg)

P = 2L + b (sum of the lengths of the 2 legs and the base)

28 = 2(10) + b

b = 28 - 20 = 8

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