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Lesson 60:

fyi...   area of a parallelogram - base x height [b x h]



                                      must be
                                      Perpendicular.

                      3 cm
                               4 cm



               8 cm




                                                           1
Lesson 60 Examples:
Find the area of the following parallelograms.
A)
              6 in
                     7 in

            7 in

B)   3 in
                            2 in

            10 in




                                                 2
C) The sides of a square and a rhombus are 3 cm each. The height
of the rhombus is 2 cm. Find the area and the perimeter of each.

SQUARE:                    RHOMBUS:

A-                         A-



P-                         P-




                                                                   3
D) Find the area of a parallelogram with vertices at (4,2), (2,-2),
(-2,-2), and (0,2). Then find the area of a dilation of this
parallelogram with a scale factor of 3.

                    y




                                 x




                                                                      4

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8th PreAlg - L60--Feb6

  • 1. Lesson 60: fyi... area of a parallelogram - base x height [b x h] must be Perpendicular. 3 cm 4 cm 8 cm 1
  • 2. Lesson 60 Examples: Find the area of the following parallelograms. A) 6 in 7 in 7 in B) 3 in 2 in 10 in 2
  • 3. C) The sides of a square and a rhombus are 3 cm each. The height of the rhombus is 2 cm. Find the area and the perimeter of each. SQUARE: RHOMBUS: A- A- P- P- 3
  • 4. D) Find the area of a parallelogram with vertices at (4,2), (2,-2), (-2,-2), and (0,2). Then find the area of a dilation of this parallelogram with a scale factor of 3. y x 4