10th grade
posted by ashley on .
Find the area of the shaded region.
the outter shape is a rectangle and the inside shape is a triangle everything but the triangle is shaded now the numbers are 18 (on left side of rectangle) and 28 (on the bottom) the wide part of the triangle on the inside of the rectangle is on the bottom

10th grade does NOT help us as the School Subject. Math? Geometry?
Sra