Mensuration Class 8 Worksheet Maths Chapter 9

Multiple Choice Questions

Q1: The area of a parallelogram whose base is 9cm and altitude is 6cm
(a) 45cm²
(b) 54cm²
(c) 48cm²
(d) 84cm²

Q2: The volume of a cube whose edge is 6a is
(a) 25a³
(b) 216a³
(c) 125a³
(d) None of these

Q3: The sum of the areas of all six faces of a cuboid is the _____ of the cuboid.
(a) Volume
(b) Surface area
(c) Area
(d) Curved surface area

Q4:The area of a. Rhombus is 240 cm² and one of the diagonals is 16 cm Then other diagonal is
(a) 25cm
(b) 30cm
(c) 18cm
(d) 35cm

Q5: The volume of water tank is 3m³. Its capacity in litres is
(a) 30
(b) 300
(c) 3000
(d) None of these

Fill in The Blanks

Q1: 10000 m² = ________ hectare.

Q2: 1 m² = ________ cm2.

Q3: Perimeter of a regular polygon = length of one side ×  ________.

Q4: The distance around a circle is its  ________.

Q5: If a wire in the shape of the square is rebent into a rectangle, then the  ________  of both shapes remain same, but  ________  may vary.

True(T) or False(F)

Q1: All the triangles that are equal in area are congruent.

Q2: All congruent triangles are equal in area.

Q3: Ratio of the circumference and the diameter of a circle is more than 3.

Q4: If the area of rectangle increases from 2 cm2 to 4 cm2, then perimeter will remains same.

Answer the following Questions

Q1:  Find the area of a square, the length of diagonal is √22m

Q2: If the parallel sides of a parallelogram are 2cm apart and their sum is 12cm then find its area.

Q3: The length, breadth and height of a cuboid are 20cm, 15cm and 10cm respectively. Find its total surface area.

Q4: Volume of Cube is 8000cm³. Find its surface area.

Q5: Find the ratio of the areas of two circles whose radii is 7cm and 14cm.

Q6: Find the diameter of the circle whose circumference is 230m.

Q7: Find the area of the figure if the upper portion is a semicircle

Q8: A goat is tied to one corner of a square field of side 8mby a rope 3m long. Find the area it can graze? Also find the area the goat cannot graze.

Q9: If x units are added to the length of the radius of a circle, what is the number of units by which the circumference of the circle is increased?

Q10: Find the area of the shaded portion if diameter of circle is 16cm  and ABCD is a square.

Q11: How many cm³ of juice can be poured in a cuboidal can whose dimensions are 15cm × 10cm × 25cm. How many cubical packs of 25cm³ volume can be made?

Q 12: A rectangular piece of paper66 cm long and10cm broad is rolled along the length to form a cylinder. What is the radius of the base and calculate volume of cylinder?

You can access the solutions to this worksheet here.