A triangle has corners at $(8, 3 )$ , ( 2, -2) $, and$ (7, -4 )#. If the triangle is reflected across the x-axis, what will its new centroid be?

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Answer 1 · 2016-03-10T10:44:47

New centroid $(17/3, 1)$

The old centroid is at $(17/3, -1)$ . If we are going to reflect the triangle across the x-axis, only the y value will change sign. From -1 to 1.

$(17/3, 1)$ is the new centroid.

God bless....I hope the explanation is useful.

A triangle has corners at (8, 3 )(8, 3 ), ( 2, -2), and , and (7, -4 )#. If the triangle is reflected across the x-axis, what will its new centroid be?