Answer:
x = 3
Explanation:
check:
4(x + 2) = 20
4(3 + 2) = 20
4(5) = 20
20 = 20
Hence proved x = 3
C.
Step-by-step explanation:
The equation for the slope of a line is y2-y1/x2-x1, and both triangles have the same slope equation for their hypotenuse.
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