Mensuration Test 7

The area of the circle whose radius is 5 cm is:

The perimeter of a rectangle is 44 cm and the area is 120 cm². Find the length of the rectangle. (length > breath)

 A rhombus has side of 12 cm and one of the internal angles is 30˚. What is the area of Rhombus?

A rhombus has an area of 30 cm². If the length of altitude is 5cm, what is the length of side of the rhombus?

The cross section of hand bag is in the shape of trapezium whose top edge is 30 cm and bottom edge is 15 cm. If the area of the trapezium plane is 1125 cm², the height of bag is ________ m

The box is prepared in the form of cuboid which need to be wrap by paper. Dimension of cuboid is 23 cm × 10 cm × 6 cm. Area needs to be wrap is _______ cm².

The radius of sphere increase by 12%, what is the effect on the area of the sphere?

How many maximum semi-circles of radius 3.5 cm can be cut from a circle of radius 14 cm?

 If the diagonal of a square is increased by 20%, then the area of the square is increased by:

The area of a parallelogram whose base is 18 cm and height is 7 cm is

Find the radius of the sphere whose volume and surface area are in the ratio 4 ∶ 1.

Find the measure of one interior angle of regular octagon?

Conical cavity is drilled in a circular cylinder of height 15 cm and base radius 8 cm. The height and base of the radius of the cone are also same. Find the whole surface area of remaining solid?

 The perimeter of the base of a cylinder having radius r is equal to its height. Find the ratio of the surface area to its volume.

 The volume of a cuboid is 798 cm³. The ratio of the side of the cuboid is 2 : 3 : 5. The longest side of cuboid is -