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Mathematics 7 Online
OpenStudy (yinshy):

The vertices of a right triangle are (–6, 4), (0, 0), and (x, 0). Find the value of x. A. –6 B. 0 C. 6 D. –4

OpenStudy (kiwibyrd):

Have you graphed out the points given?

OpenStudy (yinshy):

no

OpenStudy (yinshy):

i suck at graphing

OpenStudy (kiwibyrd):

since it's a right triangle, we can see that the last point needs to be at a right angle between the two existing points

OpenStudy (yinshy):

D?

OpenStudy (kiwibyrd):

we can rule out B, because we can't have two points on 0,0

OpenStudy (kiwibyrd):

no, not quite

OpenStudy (yinshy):

A?

OpenStudy (kiwibyrd):

yep :] that would place it directly below the first point, and make a right angle

OpenStudy (yinshy):

thank you

OpenStudy (kiwibyrd):

no prob

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