Mensuration

Area of a semi-circle of diameter 14 cm is:

The side of a square is doubled. Its area becomes:

What is the area of a triangle with base 12 cm and height 5 cm?

Area of a rectangle with length 2m and breadth 50cm is:

Area of a circle with diameter 2 cm is:

If area of a triangle is 50 sq. cm and height is 10 cm, find its base.

Area of a square with side 0.5 cm is:

Area of a rectangle of sides 5 cm and 4 cm is:

A circle has area 154 and another circle has radius double of first. Area of second circle is:

The area of a rhombus is 24 sq. cm. If one diagonal is 6 cm, find the other.

The area of an isosceles right-angled triangle whose hypotenuse is 10 cm is:

The area of a trapezium is 40 sq. cm. Its parallel sides are 8 cm and 12 cm. Find the height.

Area of an equilateral triangle of side 2 cm is:

Find the area of a triangle with sides 3, 4, 5.

What is the area of a sector with radius 7 cm and angle 90 degrees?

A square park has side 20m. A path of 1m width is built inside it. Area of path is:

Area of a quadrant of circle is 154 sq. cm. Find its radius.

If the perimeter of a semi-circle is 36 cm, what is its area?

Area of a rectangle is 60 sq. cm and its diagonal is 13 cm. Find its perimeter.

Ratio of areas of two circles is 4:9. Ratio of their circumferences is: