Homework Help: geometry

Posted by marina on Monday, September 26, 2011 at 3:34pm.

in the xy coordinate plane point b (-3,2) and point d (3,-4)are opposite vertices of square abcd if point h is the midpoint of line segment bc what is the area of triangle ahd ?

geometry - Steve, Tuesday, September 27, 2011 at 11:24am
If you plot the points, you can see that a = (-3,-4) and h = (0,2).

So, the base of ahd is the line ad with length 6. The height of the triangle is also 6.

So, A(ahd) = 1/2 * 6 * 6 = 18

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