Area and perimeter Flashcards
A rectangle has a length of 2 inches and a width of 5 inches. What is the area?
10 sq. inches
Length x width is a formula for?
area
How do you label your answer for perimeter?
If the length and width are inches, then inches. If they are centimeters, then centimenters. Whatever the unit of measurement is used, that is how you label your answer.
How do you label your answer for area?
If the length and width are in centimeters (cm), then your answer is cm2
2(l) + 2(w) is a a formula for?
perimeter of a square or rectangle
If two rectangles have the same perimeter, do they always have the same area?
no
If two rectangles have the same area, do they always have the same perimeter?
no
If you were trying to find out how many tiles to order for your new kitchen floor, would you do the area or the perimeter of the kitchen?
area
What is the perimeter of a square with an area of 9 square inches?
12 inches
What is the perimenter of a square with an area of 25 square centimeters?
20 centimeters
What is the area of a square with a perimeter of 36 meters?
81 square meters
What is the area of a square with a perimeter of 4 inches?
1 square inch
If I have a rectangle with an area of 15 square centimeters, and the length is 5 centimeters, what is the width?
3 centimeters
If I added length + length + width + width, what am I figuring out?
the perimeter
What is the perimeter of a pentagon where all the sides are 2 yards?
10 yards