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Mathematics 7 Online
OpenStudy (anonymous):

help plz for medal and fan plz

OpenStudy (anonymous):

Determine if triangle XYZ with coordinates X(1, 1), Y(5, 6), and Z(6, 2) is a right triangle. Use evidence to support your claim.

OpenStudy (anonymous):

@Vocaloid

OpenStudy (anonymous):

can u help me again plz

Vocaloid (vocaloid):

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Vocaloid (vocaloid):

calculate the slopes of XY and YZ.

Vocaloid (vocaloid):

if they are negative reciprocals of each other then the triangle is a right triangle

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