Question

EXERCISE - 7.3
1. Find the area of the triangle whose vertices are

1.(-5, -1), (3,-5), (5,2)
2.(2, 3), (-1, 0), (2,-4)


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Answer 1

Answer:

you find area by using

$1 \div 2 \times |x1(y2 - y3) + x2(y3 - y1) + x3(y1y2)|$

the are of 1st is is 3 unit sq

. the area of 2nd is 10.5 unit sq.

Answer 2

Answer:

PLEASE REFER TO THE ABOVE ATTACHMENTS.

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