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kenny6666 [7]
2 years ago
10

I will give brainliest

Mathematics
1 answer:
alex41 [277]2 years ago
3 0

Answer:

x = 1.25

y = 1.75

Step-by-step explanation:

Since, the line that is 8 units long is parallel to the line that is ten units long.

Therefore, both the triangles are similar by AA postulate.

Corresponding sides of of the similar triangles are in proportion.

Therefore,

\frac{5}{x + 5}  =  \frac{7}{y + 7}  =  \frac{8}{10}  \\  \\  \implies \frac{5}{x + 5}  =  \frac{8}{10}  \\  \\ 5 \times 10 = 8(x + 5) \\  \\ 50 = 8x + 40 \\  \\ 50 - 40 = 8x \\  \\ 10 = 8x \\  \\  \frac{10}{8}  = x \\  \\ x = 1.25 \\  \\  \\ \frac{7}{y + 7}  =  \frac{8}{10} \\  \\ 7 \times 10 = 8(y + 7) \\  \\ 70 = 8y + 56 \\  \\ 70 - 56 = 8y \\  \\ 14 = 8y \\  \\  \frac{14}{8}  = y \\  \\ y = 1.75

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