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How do I find the exact length of side A and B

How do I know what the area of ABC are

Here are the coordinates
A (-2,4)
B (0,1)
C(1,-3)

Please help me thanks

User Confuse
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8.2k points

1 Answer

2 votes
First, use the distance formula to find in the distance. Then use 1/2bh (formula for area of a triangle) to find the triangle’s area.
User Lebobbi
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