Page 252 - ABCTE Study Guide_Neat

2
A 12 cm

2
B 13.5 cm

2
C 27 cm

2
D 30.5 cm

Answer

Choice B is the correct answer. The area of the trapezoid is given by the formula , where h = 3
cm, b 1 = 4 cm, and b 2 = 5 cm. So the area of the trapezoid is:

Review

• The perimeter of a quadrilateral is the sum of the lengths of its sides.

• The area of a parallelogram is given by the formula, A= bh where b is the base and h is
the height and the base and height are perpendicular.

• The area of a trapezoid is given by the formula , where h is the height and
b 1 and b 2 are the lengths of the parallel bases.

Measuring Circles

Lesson Objective

In this lesson you will learn to find the circumference and area of a circle.

Previously Covered