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Iteru [2.4K]
3 years ago
9

Please help as soon as possible.

Mathematics
1 answer:
Nostrana [21]3 years ago
5 0

P left triangle = (2x+8) + (2x+7) + 2x

 combine like terms

P left =6x+15

P right triangle = 2x+ 2x+ (3x+7)

combine like terms

     7x+7

since the perimeters of the triangles are equal, set them equal

6x+15 = 7x+7

subtract 6x from each side

15 =x+7

subtract 7 from each side

8 =x


AB = 2x+8 = 2*8 +8 = 16+8 = 24

BC =2x+7 = 2*8+7 = 16+7 = 23

CA = 2x =2*8    = 16


PQ = 2x = 16

QR = 2x = 16

PR = 3x+7 = 3*8+7 = 24+7 = 31




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