4. Find the area of the triangle formed by the points A(-10, -4), B(-8, -1), C(-3, -5).
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Answered by
13
Answer:
A (x1, y1 ) = (-10, -4)
B (x2, y2) = (-8, -1)
C ( x3, y3) = (-3,-5)
area of a triangle =
= 1/2 [ x1 (y2-y3) + x2 ( y3-y1) + x3 ( y1-y2)
= 1/2 [ -10 ( -1- -5) + -8 ( -5- -4) + -3 ( -4- -1)]
= 1/2[ -10 (4) + -8 ( -1) + -3 (-3)]
= 1/2[ -40 + 8 + 9]
= 1/2[ -23]
= -23/2
hope it's help you
Answered by
1
Answer:
-23/2
Step-by-step explanation:
hope it's help you
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