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irina1246 [14]
3 years ago
13

PLEASE HELP ME I WILL MARK IF RIGHT

Mathematics
1 answer:
wariber [46]3 years ago
6 0

Step-by-step explanation:

the small and the large triangles are similar triangles.

they have the same angles. and the corresponding sides correlate to each other with the same ratio for every pair of sides.

so,

28 / 82 = (2x + 8) / ((2x + 8) + (5x -4)) =

= (2x + 8) / (7x + 4)

(7x + 4)×28 = (2x + 8)×82

196x + 112 = 164x + 656

32x = 544

x = 17

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