Rectangles
What is a rectangle?
A rectangle is a four-sided shape (quadrilateral) with opposite sides that are equal in length and four right angles.
How would you find the perimeter of your classroom?
Measure the length and width of the classroom and use the formula P=2×(length+width) or P=L+W+L+W
If a rectangle has a length of 7 cm and a width of 2 cm, what is its perimeter?
The perimeter is P=18 cm
What is the formula for the perimeter of a rectangle?
The formula for the perimeter (P) is P=2×(length+width) or P=L+W+L+W
If a garden is 5 feet long and 3 feet wide, what is its area?
The area is A=5×3=15
A park is shaped like a rectangle. If it is 12 meters long and 5 meters wide, what is the area?
A=60 square meters.
What is the area of a rectangle with a length of 6 and a width of 4?
The area (A) is A=length×width = 6×4=24
A fence is needed for a rectangular yard that is 10 feet by 8 feet. What is the perimeter?
The perimeter is 36
If a rectangular room is 9 feet long and 4 feet wide, how much carpet do you need to cover the floor?
A=9×4=36 square feet of carpet
How do you find the area of a rectangle?
Area =Length x Width
The school needs to put up a fence around the school, would they need to look at the area or perimeter in order to get enough fence? Why?
They would be looking for perimeter because they are looking for how much fence goes around the school.
A rectangular book cover is 8 inches by 10 inches. What is the perimeter?
P =36 inches.
What is the perimeter of a rectangle that has a length of 20 and and a width of 12?
The perimeter is 64.
A rectangular pool is 15 feet long and 10 feet wide. What is the total area?
A=15×10=150 square feet
A rectangular field is 20 m long and 15 m wide. What is the perimeter and area?
Perimeter=70 m and Area=300 square meters.