3 SAT Math Questions

AopsMaster804
Fri, 08 Nov 2013 20:55:42 +0000

I actually think 20 is E. Draw a line separating the triangle from the rectangle. The area of the rectangle is clearly 3y. Both legs of the triangle of the triangle are x-3 since it’s a 45-45-90. So the area of the triangle is 1/2(x-3)^2.