Advertisements
Advertisements
Question
The table given below contains some measures of the square. Find the unknown values.
| Side | Perimeter | Area |
| ? | ? | 49 sq.feet |
Advertisements
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
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.
Find the area of a square plot of side 8 m.
The length of the side of the square is given below. Find its area.
12 metre
The length of the side of the square is given below. Find its area.
25 metres
12 m2 is the area of ______.
Find the area of a square inscribed in a circle whose radius is 7 cm (see figure).
[Hint: Four right-angled triangles joined at right angles to form a square]
Find the area of the shaded portion in a circle whose radius is 7 cm (see figure).
[Hint: Four right-angled triangles joined at right angles to form a square]
Calculate the area of shaded region in the following figure, where all of the short line segments are at right angles to each other and 1 cm long.
Architects design many types of buildings. They draw plans for houses, such as the plan shown in the following figure:
An architect wants to install a decorative moulding around the ceilings in all the rooms. The decorative moulding costs ₹ 500/metre.
- Find how much moulding will be needed for each room.
(i) family room
(ii) living room
(iii) dining room
(iv) bedroom 1
(v) bedroom 2 - The carpet costs ₹ 200/m2. Find the cost of carpeting each room.
- What is the total cost of moulding for all the five rooms.
The unit of area for a square with sides measured in meters is:
