Find the area of the right angled triangle with vertices

A(-1,2);B(3,2),and C(3,7)
in Other Math Topics by Level 4 User (7.5k points)

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This is a right-angled triangle because AB is parallel to the x axis (y coordinates are the same) and CB is parallel to the y axis (x coordinates are the same). AB=4 (=3-(-1)) and CB=5 (7-2). The area is (1/2)base*height=(1/2)AB*CB=(1/2)4*5=10.

by Top Rated User (1.2m points)

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