Asked by Grace

The coordinates of the vertices of △ABC are A(1,4), B(-2,-1), and C(-3,-2). The height h to side BC is √2, and b is the length of BC. What is the area of △ABC?
I don't really know how to approach or start this problem, so if you can help, please do! Thanks!
Answered by Grace
I'm not really sure if I should use the distance formula to find the distance between the 3 points or do something else. Thanks!
Answered by R_scott
BC is the base , and h is the height

area of a triangle is ... 1/2 * b * h ... 1/2 * BC * √2

use the distance formula to find BC
Answered by Luni
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