Advertisements
Advertisements
प्रश्न
Find the area of a square, whose side is: 7.2 cm.
Advertisements
उत्तर
Area of the square = (side)²
= (7.2 cm)²
= 7.2 cm x 7.2 cm
= 51.84 cm²
APPEARS IN
संबंधित प्रश्न
If AD is a median of a triangle ABC, then prove that triangles ADB and ADC are equal in
area. If G is the mid-point of median AD, prove that ar (Δ BGC) = 2 ar (Δ AGC).
PQRS is a rectangle inscribed in a quadrant of a circle of radius 13 cm. A is any point on PQ. If PS = 5 cm, then find ar (ΔRAS)
Two parallelograms are on the same base and between the same parallels. The ratio of their areas is
ABCD is a rectangle with O as any point in its interior. If ar (ΔAOD) = 3 cm2 and ar (ΔABOC) = 6 cm2, then area of rectangle ABCD is
Each side of a square is 7 m. If its each side be increased by 3 m, what will be the increase in its area.
This stamp has an area of 4 square cm. Guess how many such stamps will cover this big rectangle.
Look at the table. If you were to write the area of each of these which column would you choose? Make a (✓).
| Square cm |
Square meter |
Square km |
|
| Handkerchief | ✓ | ||
| Sari | |||
| Page of your book | |||
| School land | |||
| Total land of a city | |||
| Door of your classroom | |||
| Chair seat | |||
| Blackboard | |||
| Indian flag | |||
| Land over which a river flows |
How will you decide? Discuss.
What is the area of a closed shape?
If a figure contains only 8 fully-filled squares and no partial squares, what is its area?
