Advertisements
Advertisements
Question
The perimeter of a rectangular sheet is 100 cm. If the length is 35 cm, find its breadth. Also find the area.
Advertisements
Solution
Perimeter = 2 (Length + Breadth) = 100 cm
2 (35 + Breadth) = 100
35 + B = 50
B = 50 − 35 = 15 cm
Area = Length × Breadth = 35 × 15 = 525 cm2
APPEARS IN
RELATED QUESTIONS
A door of length 2 m and breadth 1 m is fitted in a wall. The length of the wall is 4.5 m and the breadth is 3.6 m (see the given figure). Find the cost of white washing the wall, if the rate of white washing the wall is Rs 20 per m2
The length of the side of a square is given below. Find its area
10 metres
The length of the side of a square is given below. Find its area
15 metres
Look at these interesting stamps.
Which stamp has the biggest area? How many squares of side 1 cm does this stamp cover? How much is the area of the biggest stamp? square cm.
Look at these interesting stamps.
The area of the smallest stamp is ______ square cm.
The difference between the area of the smallest and the biggest stamp is ______ square cm.
A floor is 5 m long and 4 m wide. A square carpet of sides 3 m is laid on the floor. Find the area of the floor that is not carpeted.
If p squares of each side 1 mm makes a square of side 1 cm, then p is equal to ______.
Area of a square of side 6 m is equal to the area of ______ squares of each side 1 cm.
Rani bought a new field that is next to one she already owns in the given figure. This field is in the shape of a square of side 70 m. She makes a semi-circular lawn of maximum area in this field. Find the area of the square field excluding the lawn.
What is the formula to calculate the area of a square?
