Q.1.
What is the perimeter of a rectangle of width 6 cm and length 12 cm?
Q.2.
A circle has a radius of 10 cm. If π = 3.142, what is the area of the circle?
Q.3.
A square has an area of 121 cm . What is the length of the square’s sides?
Q.4.
A square has an area of 9.6 cm . What is its area in mm ?
Q.5.
A right-angled triangle has a base of 4.8 cm and a height of 6.4 cm. What is its area?
Q.6.
The formula for finding the area of a circle is: Area = π × r . What is the value of π?
Q.7.
A rectangle has a length of 1.2 metres and a width of 1.5 metres. What is its area in cm ?
Q.8.
A square has a side length of 18 cm. What would be the area of two such squares in mm ?
Q.9.
A square has an area of 96 cm . If it is cut from corner to corner into two right-angled triangles, what is the area of each triangle?
Q.10.
A rectangle has an area of 72 cm . It is 8 cm wide so, what is its length?