asieduayeboah04 asieduayeboah04

19-12-2020
Mathematics

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The base of an isosceles triangle is 7cm long. Each of the other two sides is x cm long. What will be the expression for its perimeter

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sherinyousef25 sherinyousef25

19-12-2020

Let the length of the base of an isosceles triangle = x cms, then the length of a

leg =(x-7)cms. Acordingly:-

(x-7)+(x-7)+ x= 52 cms.

or. 3x=52+14

or. x = 66/3 = 22 cm.

Length of the base= 22 cm.

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