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10.3 Areas of Parallelograms

10.3 Areas of Parallelograms. Objective: Find the area of parallelograms Homework: p 550-551, #11-13, 17, 19-21. Key Terms. Base of a Parallelogram: ______________________________________________________________________________________________

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10.3 Areas of Parallelograms

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  1. 10.3 Areas of Parallelograms Objective: Find the area of parallelograms Homework: p 550-551, #11-13, 17, 19-21

  2. Key Terms • Base of a Parallelogram: ______________________________________________________________________________________________ • Height of a Parallelogram: ______________________________________________________________________________________________

  3. Area of a Parallelogram • A = bh b= base h=height Example: A=

  4. Example 1:Finding the area of a Parallelogram • The base of a parallelogram is 5 inches. The height is twice the base. Find the area of the parallelogram. A = bh

  5. Example 2: Finding the area of a Parallelogram • Find the area of the parallelogram. A=bh • 1.) 2.) 5 ft 10 ft 6ft 11 ft

  6. Example 3: Find the missing Base • Find the length of the base in the parallelogram. 1.) 2.) A = 150 ft2 A = 60 ft 2 x 15 ft 3 ft x

  7. Example 4 : Find the missing Height • Find the length of the height in the parallelogram. 1.) 2.) A = 135 in 2 A = 210 in 2 x x 45 in 30 in

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