The vertices of A PQR are (5,2) ,(- 5,-1) and ( 3,-5)
respectively. Find the area of the triangle and the length of the altitude through P.
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Step-by-step explanation:
are of triangle = 1/2!(5×4+-5×-7+3×3)!
1/2!(20+35+9)!
1/2 !(64)!
=32 sq feet
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