elijahdamani56 elijahdamani56

21-12-2020
Mathematics

contestada

This blue triangle has a perimeter of 66 cm.
Write an equation and solve for x.

This blue triangle has a perimeter of 66 cm Write an equation and solve for x class=

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isabeljanelle isabeljanelle

21-12-2020

8x - 4 + x + 5(2) + 6x = 66
15x - 4 + 10 = 66
15x + 6 = 66
15x = 60
x = 4

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