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SOMEONE PLS HELP/ What is the value of x?
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SOMEONE PLS HELP/ What is the value of x?

SOMEONE PLS HELP/ What is the value of x?-example-1
User Kian
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1 Answer

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These are similar triangles so you can use a proportion:

(8)/(x + 4) = (12)/(2x + 1)

Cross multiply:
8(2x + 1) = 12 (x + 4)
16x + 8 = 12x + 48
4x = 40
x = 10

User Bigchao
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8.1k points
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