# Understanding Elementary Shapes – CBSE Class 6 Mathematics

Extra Questions for Practice/MCQ/Multiple Choice Questions

Choose the correct answer from the options given below:

- The measure of a complete angle is ————— degree.

A. 90

B. 180

C. 270

D. 360 - Measure of half of a revolution is ————- degree

A. 45

B. 90

C. 270

D. 360 - What is the angle name for half a revolution?

A. Acute angle

B. Right angle

C. Straight angle

D. Complete angle - What is the angle name for one-fourth revolution?

A. Reflex angle

B. Straight angle

C. Right angle

D. Obtuse angle - What fraction of a clockwise revolution does the hour hand of a clock turn through, when it goes from 12 to 3?

A. ¼

B. ½

C. ¾

D. 1 - Where will the hand of a clock stop if it starts at 12 and makes ¾ of a revolution, clockwise?

A. 3

B. 6

C. 9

D. 12 - Which direction will you face if you start facing north and make ½ of a revolution clockwise?

A. South

B. West

C. North

D. East - Find the number of right angles turned through by the hour hand of a clock when it goes from 3 to 9?

A. 1

B. 2

C. 3

D. 4 - The measure of a straight angle is ———– degree.

A. 90

B. 180

C. 270

D. Less than 180 - Which of the following angles is the measure of a reflex angle?

A. 85 degree

B. 125 degree

C. 180 degree

D. 260 degree - A triangle having all three unequal sides is called a ———-

A. Scalene triangle

B. Isosceles triangle

C. Equilateral triangle

D. Acute angled triangle - Name the type of triangle ABC with AB = BC = AC = 7 cm

A. Scalene triangle

B. Isosceles triangle

C. Equilateral triangle

D. Obtuse angled triangle - If each angle is less than 90 degree, then the triangle is called an ———- triangle.

A. Acute angled triangle

B. Obtuse angled triangle

C. Right angled triangle

D. Reflex angled triangle - Six sided polygon is known as ————–

A. Pentagon

B. Hexagon

C. Heptagon

D. Octagon - What shape is a match box?

A. Cylinder

B. Cone

C. Cuboid

D. Sphere - We use a ————- to measure the size of an angle in degrees.

A. Ruler

B. Set square

C. Protractor

D. Compass - Two intersecting lines are ——— if the angle between them is 90 degree.

A. Parallel

B. Perpendicular

C. Curved

D. Vertical - If all the three sides are of equal length, the triangle is called ————–

A. Isosceles triangle

B. Scalene triangle

C. Equilateral triangle

D. Right angled triangle - Least sided polygon is ————

A. Triangle

B. Square

C. Rectangle

D. Pentagon - Parallelogram with 4 sides of equal length is known as ——-

A. Rectangle

B. Trapezium

C. Parallelogram

D. Rhombus

ANSWERS:

- 360
- 90 degree
- Straight angle
- Right angle
- ¼
- 9
- South
- 2
- 180
- 260 degree
- Scalene triangle
- Equilateral triangle
- Acute angled triangle
- Hexagon
- Cuboid
- Protractor
- Perpendicular
- Equilateral triangle
- Triangle
- Rhombus