Advertisements
Advertisements
प्रश्न
If P = perimeter of a rectangle, l = its length and b = its breadth; find l, if P = 96 m and b = 28 m.
Advertisements
उत्तर
Perimeter of a rectangle = 96 m
Breadth (b) = 28 m
Let length = l
P = 2(l + b)
l = `("P" - 2"b")/2`
= `(96 - 2 xx 28)/2`
= `(96 - 56)/2`
= `40/2`
= 20 m
∴ l = 20 m
APPEARS IN
संबंधित प्रश्न
If P denotes perimeter of a rectangle, l denotes its length and b denotes its breadth, find:
P, if l = 2 m and b = 75cm
Find the shaded area in the given figure.
Write the perimeter of the figure in the box given below it.
The area of a rectangular shaped photo is 820 sq.cm. and its width is 20 cm. What is its length? Also find its perimeter
Chumki, Jhumri, and Imran need wire to make a fence.
- Who will need the longest wire for fencing?
The side of a square is 10 cm. How many times will the new perimeter become if the side of the square is doubled?
The lawn in front of Molly’s house is 12 m × 8 m, whereas the lawn in front of Dolly’s house is 15 m × 5 m. A bamboo fencing is built around both the lawns. How much fencing is required for both?
Find the perimeter of the following figure:
Find the perimeter of the following shape:
An equilateral triangle of side 9 cm.
If you start at point S on a closed figure and move along all line segments to return to S, what distance have you covered?
