Area and perimeter of rectangle :
To find perimeter of rectangle, we use the formula
Perimeter = 2(length + width)
To find area of rectangle, we use the formula
Area = length x width
Problem 1 :
Hugh orders a party banner for his son’s birthday. The length and width of the banner are 72 inches and 23 inches respectively. What is the area of the party banner?
Solution :
length = 72 inches
Width = 23 inches
Area of rectangle = length × width
= 72 × 23
= 1656 square inches
So, the area of party banner is 1656 square inches.
Problem 2 :
Theo makes a decorative bookmark of size 2” × 6” for his teacher. Find the area of the bookmark.
Solution :
Length = 6 inches
Width = 2 inches
Area of the bookmark = length × width
= 6 × 2
= 12 square inches
So, area of the bookmark is 12 square inches.
Problem 3 :
Fran designed a flag that measured 9 inches in length and 5 inches in width. Find the area of the flag.
Solution :
Given, length = 9 inches
Width = 5 inches
Area of the flag = length × width
= 9 × 5
= 45 square inches
So, area of the flag is 45 square inches.
Problem 4 :
Ellen renovates his farmhouse foyer that is 15 feet long and 8 feet wide. Calculate the area of the foyer.
Solution :
Length = 15 feet, Width = 8 feet
Area of the foyer = length × width
= 15 × 8
= 120 square feet
So, area of the foyer is 120 square feet.
Problem 5 :
Bianca bought a baseplate of 12 inches length and 10 inches width. Find the area of the baseplate.
Solution :
Given, length = 12 inches
Width = 10 inches
Area of the baseplate = length × width
= 12 × 10
= 120 square inches
So, area of the base plate is 120 square inches.
Problem 6 :
Leah makes an original photo frame to showcase her favorite family picture. The size of the frame is 3.5” × 8”. Determine the area of the photo frame and express the answer in square feet.
Solution :
length = 8 inches and Width = 3.5 inches
Area of the photo frame = length × width
= 8 × 3.5
= 28 square inches
We know,
1 square inch = 0.00694 square feet
28 square inches = 0.00694 × 28 square feet
= 0.19 square feet
So, area of the photo frame is 0.19 square feet.
Problem 7 :
Mr. O’Grady bought wallpaper to decorate one of his bedroom walls, 11 feet wide and 15 feet long. Find the area of the wall paper. Express the answer in square inches.
Solution :
Given, length = 15 feet
Width = 11 feet
Area of wallpaper = length × width
= 15 × 11
= 165 square feet
We know,
1 square feet = 144 square inches
165 square feet = 144 × 165 square inches
= 23760 square inches
So, area of the wall paper is 23760 square inches.
May 21, 24 08:51 PM
May 21, 24 08:51 AM
May 20, 24 10:45 PM