Question

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If anyone knows the answer please tell me as soon as possible PLEASE!!!!

Answer 1

right angle triangle

Explanation:

Slope = (Y1-Y2)/(X1-X2)

The slope of AC is 1/3. The slope of BC is -3. Therefore AC is perpendicular to BC (right angle).

Answer 2

Plotting the points on graph and joining them gives a right angle triangle