the length of the base of an isosceles triangle is 10cm and its perimeter is 28cm. find the length of each of its congruent sides.
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7
Let each congruent sides be equal to x
so perimeter = 28
x+x+10=28
2x=18
x=9cm
So each congruent side equals to 9 cm
so perimeter = 28
x+x+10=28
2x=18
x=9cm
So each congruent side equals to 9 cm
Answered by
3
perimeter 28cm
let congruent sides be x
x+x+10 = 28
2x+10 = 28
2x = 18
x=9
let congruent sides be x
x+x+10 = 28
2x+10 = 28
2x = 18
x=9
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