Objective:
Students will find the area ofparallelograms (10-1).
Vocabulary
Base – any one of the sides of a parallelogram
Height – the shortest distance from the base to
the opposite side.
Area of a parallelogram – A = bh
Steps:
Read directions and copy problem.
Use the following formula A= bh
Plug in your #’s.
Multiply.
Examples
Find the area of each parallelogram to thenearest tenth.
8
5
Examples
Find the area of each parallelogram to thenearest tenth.
8
5
A = bh
Examples
Find the area of each parallelogram to thenearest tenth.
8
5
A = bh
A = 5 x 8
Examples
Find the area of each parallelogram to thenearest tenth.
8
5
A = bh
A = 5 x 8
A = 40
The area is 40
square units.
Examples
Find the area of each parallelogram to thenearest tenth.
16.2m
3.7m
Examples
Find the area of each parallelogram to thenearest tenth.
16.2m
3.7m
A = bh
Examples
Find the area of each parallelogram to thenearest tenth.
16.2m
3.7m
A = bh
A = 3.7 x 16.2
Examples
Find the area of each parallelogram to thenearest tenth.
16.2m
3.7m
A = bh
A = 3.7 x 16.2
A = 59.94
The area is 59.9
square meters.
Examples
A company in Dallas, Texas makes ceramictile that is used to cover floors or walls. Findthe area of a ceramic tile that needs to beglazed if it is shaped like a parallelogram withthe height of 4 ½ inches and a base of 6 ¾inches.
Use the formula for the area of a parallelogram to find the area of thetop of the tile.
A company is Dallas, Texas makes ceramic tilethat is used to cover floors or walls. Find thearea of a ceramic tile that needs to be glazed ifit is shaped like a parallelogram with the heightof 4 ½ inches and a base of 6 ¾ inches.
Use the formula for the area of a parallelogram to find the area of the top ofthe tile.
A = bh
A company is Dallas, Texas makes ceramic tilethat is used to cover floors or walls. Find thearea of a ceramic tile that needs to be glazed ifit is shaped like a parallelogram with the heightof 4 ½ inches and a base of 6 ¾ inches.
Use the formula for the area of a parallelogram to find the area of the top ofthe tile.
A = bh
A = 6 ¾ x 4 ½ replace b with 6 ¾ and h with 4 ½
A company is Dallas, Texas makes ceramic tilethat is used to cover floors or walls. Find thearea of a ceramic tile that needs to be glazed ifit is shaped like a parallelogram with the heightof 4 ½ inches and a base of 6 ¾ inches.
Use the formula for the area of a parallelogram to find the area of the top ofthe tile.
A = bh
A = 6 ¾ x 4 ½ replace b with 6 ¾ and h with 4 ½
A = 27/4 x 9/2 6 ¾ = 27/4 and 4 ½ = 9/2
A company is Dallas, Texas makes ceramic tilethat is used to cover floors or walls. Find thearea of a ceramic tile that needs to be glazed ifit is shaped like a parallelogram with the heightof 4 ½ inches and a base of 6 ¾ inches.
Use the formula for the area of a parallelogram to find the area of the top ofthe tile.
A = bh
A = 6 ¾ x 4 ½ replace b with 6 ¾ and h with 4 ½
A = 27/4 x 9/2 6 ¾ = 27/4 and 4 ½ = 9/2
A = 243/8 or 30 3/8
The area of the tile is 30 3/8 square inches.
Guided Practice
Find the area of each parallelogram to thenearest tenth.
6
4.4m
3.1m
8
Guided Practice
Find the area of each parallelogram to thenearest tenth.
A = bh A = bh
A = 6 x 6 A = 3.1 x 4.4
A = 48 square units A = 13.6 m²
6
8
4.4m
3.1m