Advertisements
Advertisements
प्रश्न
The table given below contains some measures of the rectangle. Find the unknown values.
| Length | Breadth | Perimeter | Area |
| ? | 15 cm | 60 cm | ? |
Advertisements
उत्तर
b = 15 cm
p = 60 cm
p = 2 (l + b) units
60 = 2(l + 15) cm
`60/2` = l + 15
30 = l + 15
l = 30 – 15
l = 15 cm
Area = l × b unit2
= 15 × 15 cm2
= 225 cm2
A = 225 cm2
Completing the unknown values in the table.
| Length | Breadth | Perimeter | Area |
| 15 cm | 15 cm | 60 cm | 225 cm2 |
APPEARS IN
संबंधित प्रश्न
In the given figure, ABCD is a rectangle in which CD = 6 cm, AD = 8 cm. Find the area of parallelogram CDEF.
In the given figure, find the area of ΔGEF.
The area of the figure formed by joining the mid-points of the adjacent sides of a rhombus with diagonals 16 cm and 12 cm is
Find the area of a square, whose side is: 7.2 cm.
Find the area of a square, whose side is: 4.1 cm.
What will happen to the area of a rectangle, if its length and breadth both are trebled?
Measure the length of the floor of your classroom in meters. Also, measure the width.
- So how many children can sit in one square meter?
A magazine charges Rs 300 per 10 sq cm area for advertising. A company decided to order a half page advertisment. If each page of the magazine is 15 cm × 24 cm, what amount will the company has to pay for it?
Find the area of the following figure by counting squares:
Find the area of the following figure by counting squares:
