A square whose side is 60m and a rectangular field with length 80m have the same perimeter. Which field has a larger area?
Answers
Step-by-step explanation:
A square whose side is 60m and a rectangular field with length 80m have the same perimeter. Which field has a larger area
Which field has a larger area
square:
side of square=60m
formula used for area:
- (side)^2
area of square=(60)^2
=3600m^2
formula used for perimeter:
- (side)×4
perimeter of square=4(60)
=240m
rectangle:
length=80m
let breadth=B
formula used for perimeter:
- 2(l+B)
perimeter of rectangle=240m
equation for Breadth:
240=2(80+B)
=>240/2=80+B
=>120-80=B
=>B=40
Breadth=40m
formula used for area:
- L×B
area of rectangle=80×40
=2400m^2
Side of a square = 60 m (Given)
And the length of rectangular field, l = 80 m (Given)
According to question,
Perimeter of rectangular field = Perimeter of square field
2(l+b) = 4×Side (using formulas)
2(80+b) = 4×60
160+2b = 240
b = 40
Breadth of the rectangle is 40 m.
Now, Area of Square field
= (side)²
= (60)² = 3600 m²
And Area of Rectangular field
= length×breadth = 80×40
= 3200 m²
• Hence, area of square field is larger.