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SAWARASENAI KIMI WA SHOJI NA NO-

What is the area of triangle pqr on the grid? a triangle pqr is shown on a grid. the vertex p is on ordered pair 7 and 6, vertex q is on ordered pair 1 and 6, and the vertex r is on ordered pair 4 and 2. 5 square units 6 square units 10 square units 12 square units

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100 points, hi, i’m not sure what to do here, the data doesn’t seem to be quadratic .? can anyone me, in advance