Advertisements
Advertisements
Question
The table given below contains some measures of the square. Find the unknown values.
Side | Perimeter | Area |
? | ? | 49 sq.feet |
Solution
Perimeter of a square = (4 × side) units
Area of a square = (side × side) unit2
Area = s × s unit2
49 = s × s square feet
s2 = 72
s = 7 feet
Perimeter = 4 × s unit
= 4 × 7 feet
= 28 feet
Perimeter = 28 feet
Completing the unknown values in the table
Side | Perimeter | Area |
7 feet | 28 feet | 49 sq.feet |
APPEARS IN
RELATED QUESTIONS
The length and the breadth of a rectangular piece of land are 500 m and 300 m respectively. Find the cost of the land, if 1 m2 of the land costs Rs 10,000.
Find the area of a square park whose perimeter is 320 m.
Find the breadth of a rectangular plot of land, if its area is 440 m2 and the length is 22 m. Also find its perimeter.
The perimeter of a rectangle is 130 cm. If the breadth of the rectangle is 30 cm, find its length. Also find the area of the rectangle.
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
Amita wants to make rectangular cards measuring 8 cm × 5 cm. She has a square chart paper of side 60 cm. How many complete cards can she make from this chart? What area of the chart paper will be left?
If p squares of each side 1 mm makes a square of side 1 cm, then p is equal to ______.
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 perimeter of the lawn.
- Find the area of the square field excluding the lawn.
Study the layout given in the figure and answer the questions:
- Write an expression for the total area covered by both the bedrooms and the kitchen.
- Write an expression to calculate the perimeter of the living room.
- If the cost of carpeting is ₹ 50/m2, write an expression for calculating the total cost of carpeting both the bedrooms and the living room.
- If the cost of tiling is ₹ 30/m2, write an expression for calculating the total cost of floor tiles used for the bathroom and kitchen floors.
- If the floor area of each bedroom is 35 m2, then find x.