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Find the areas of parallelograms Objective Find the areas of parallelograms Example 4-2c

Vocabulary Base The side of a parallelogram or trapezoid that is perpendicular to the height Example 4-2c

In a triangle, the distance from a base to the opposite vertex Vocabulary Height The length of the segment perpendicular to the base with endpoints on opposite sides. In a triangle, the distance from a base to the opposite vertex Example 4-2c

Vocabulary Parallelogram A quadrilateral with opposite sides parallel and opposite sides congruent Example 4-2c

Example 1 Find the Area of a Parallelogram Lesson 4 Contents

Find the area of the parallelogram. A = 7.5 cm  6.4 cm Write formula for area of parallelogram Replace b with 7.5 cm Replace h with 6.4 cm 1/2 Example 4-1a

Find the area of the parallelogram. A = 7.5 cm  6.4 cm Multiply numbers Answer: A = 48 cm2 Multiply units 1/2 Example 4-1a

Find the area of the parallelogram. Answer: A = 52 in2 1/2 Example 4-1b

Find the area of the parallelogram A = 8 cm  4.5 cm Write formula for area of parallelogram Replace b with 8 Replace h with 4.5 2/2 Example 4-2a

Find the area of the parallelogram A = 8 cm  4.5 cm Multiply numbers Answer: A = 36 cm2 Multiply units 2/2 Example 4-2a

Find the area of the parallelogram to the right. Answer: A = 10.8 m2 2/2 Example 4-2c

Area of Parallelograms Assignment Lesson 11:4 Area of Parallelograms 10 - 21 All End of Lesson 4