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What's the answer to this question?

What's the answer to this question?-example-1
User Sealla
by
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1 Answer

10 votes

Answer:

Area = 10

Explanation:

Here is how to solve:

(x1y2+x2y3+x3y1-y1x2-y2x3-y3x1) / 2

In your case

A(2,2) is x1=2, y1=2

B(6,2) is x2=6, y2=2

C(6,7) is x3=6, y3=7

So

((2x2)+(6x7)+(6x2)-(2x6)-(2x6)-(7x2)) divided by 2 = 10

Area = 10