Area of shaded regions

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by pepeprepa » Mon Aug 25, 2008 4:07 am
For P.
(b*h)/2
b=4
h=1

Area of P=4/2=2

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by mksreeram » Mon Aug 25, 2008 5:40 am
for P 1/2 *bh = 1/2 * 4 * 1 = 2
for Q L * B = 2 * 1 = 2
for R side of the square is the hypotenuse of a triangle which has side 1 and 1 so the side is sqrt(2) so sqrt(2) * sqrt(2) = 2

for S area is 1.5 so not the choice.

hope this helps.