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October 20, 2014

October 20, 2014

Posted by **Stupid Person** on Friday, December 23, 2011 at 5:25am.

2) If X=7 inches, Y=11 inches, Z=15 inches, and H=6 inches, what is the area of the triangle?

- Math -
**Stupid Person**, Friday, December 23, 2011 at 5:47amoh i forgot this

A. 88 square inches

B. 33 square inches

C. 21 square inches

D. 45 square inches

E. 94.5 square inches

- Math -
**drwls**, Friday, December 23, 2011 at 8:53am2) Since you have the lengths of all three sides, you do not need the height, h, to get the area. If you use h, you need to know which side it is perpendicular to.

The half-perimeter is

s = (1/2)(a + b + c) = 16.5 inches.

The area is sqrt[s(s-a)*(s-b)*(s-c)] = __

It does not agree with any of your choices

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