by Guest » Tue Jul 09, 2019 3:10 pm
The shaded area is a trapezoid with two "bases" of lengths 14 and 6 centimeters and height 10 centimeters. The area of such a trapezoid is the "average" of the two bases, (14+ 6)/2= 10 centimeters, and the height, 10 centimeters. The area is 100 square centimeters.