I am in 7 grade math

label Mathematics
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What is the area of (a triangle)ABC with vertices A(2,3), B(17,11) and C(17,3)?

Jan 16th, 2015

Area = [Ax(By-Cy)+Bx(Cy-Ay)+Cx(Ay-By)]/2

putting values

Area = [2(11-3)+17(3-3)+17(3-17)]/2

Area = [2(8)+0+17(-14)]/2

Area = [16-238]/2

Area = 222/2

Area = 111

Jan 16th, 2015

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Jan 16th, 2015
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Jan 16th, 2015
Oct 23rd, 2017
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