transparency 1 click the mouse button or press the space bar to display the answers
TRANSCRIPT
Click the mouse button or press the Click the mouse button or press the Space Bar to display the answers.Space Bar to display the answers.
Example 1 Find Areas of Parallelograms
Example 2 Find Areas of Parallelograms
Example 3 Use Area to Solve a Problem
Find the area of the parallelogram.
Count number of units of the length of a base
1 2 3
Replace b with 3 units
A = 3 units
Base
Write formula for area of parallelogram
1/3
Find the area of the parallelogram.
Count number of units between the 2 bases
12345678910
Replace h with 10 units
A = 3 units
Base
Base
10 units
1/3
Find the area of the parallelogram.
Multiply the numbers 3 10
A = 3 units 10 units
A = 30
Multiply the units
unit unitunit2
Answer:
1/3
Find the area of the parallelogram.
2/3
Replace b with 8.2 cm
A = 8.2 cm
Replace h with 4.5 cm
4.5 cm
Write formula for area of parallelogram
Find the area of the parallelogram.
2/3
A = 8.2 cm 4.5 cm
Multiply the numbers 8.2 4.5
A = 36.90Multiply the units
cm cm
cm2 Answer:
INTERIOR DESIGN A particular area rug is shaped like a parallelogram. What is the area of the floor it will cover?
3/3
Write formula for area of parallelogram
Replace b with ft
A = ft
Replace h with ft
ft
INTERIOR DESIGN A particular area rug is shaped like a parallelogram. What is the area of the floor it will cover?
3/3
A = ft ft Multiply the numbers
Multiply the units
ft ft
A =
Since the dimensions are fractions the answer must be fractions
ft2
Answer:
PAINTING John needs to paint a mural that is parallelogram-shaped. What is the area of the mural John needs to paint?
Answer:
3/3