Question

miracle says she can find the area of the same polygon by thinking of it as the area of a rectangle minus the area of a triangle. lets use miracles method to find the area of the polygon. first, find the area of the rectangle. area of rectangle = 21 square units now, find the area of the triangle. area of triangle = 3 square units what is the area of the shaded polygon? area of polygon = square units

Explanation:

Step1: Use given rectangle area

Area of rectangle = 21 square units

Step2: Use given triangle area

Area of triangle = 3 square units

Step3: Calculate polygon area

Area = 21 - 3 = 18

Answer:

18