abergerman abergerman

16-01-2021
Mathematics

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the 2 triangles are similar. if the perimeter of triangle abc is 28, find the value of x

the 2 triangles are similar if the perimeter of triangle abc is 28 find the value of x class=

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Paul9182 Paul9182

16-01-2021

given the sides 8 and 10 are similar we can assume that triangle abc is 80% as large. meaning the perimeter of triangle rst is 35.
so 10 + x - 4 + x - 1.5 = 35
4.5 + 2x = 35
2x = 30.5
x = 15.25

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