Do Now

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Do Now
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10.3 Areas of Parallelograms

• Objective Find the area of parallelograms
• Homework p 550-551, 11-13, 17, 19-21

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Key Terms

• Base of a Parallelogram _________________________
  __________________________________________________
  ___________________
• Height of a Parallelogram _______________________
  __________________________________________________
  _____________________

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Area of a Parallelogram

• A bh
• b base
• hheight
• Example
• A

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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

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Example 2 Finding the area of a Parallelogram

• Find the area of the parallelogram. Abh
• 1.) 2.)

5 ft
10 ft
6ft
11 ft
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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
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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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Do Now Solve for x.

• 12x 96

• 9x 99