What is the measure of the angle formed at the rectangular wall?
- A45°
- B180°
- ✓90°
- D60°
Answer: C.
View full solution →Question types
Rotate and Observe question types
84 questions across 7 question groups — pick any mix to generate a Maths paper with step-by-step answer keys.
84
Questions
7
Question groups
5
Question types
01
M.C.Q [1M]
10 Q→02Fill in the blanks [1M]
13 Q→03True/False [1M]
4 Q→04Very Short Answer Type Questions [1M]
31 Q→05Do As Directed [1M]
24 Q→06Match the columns appropriately [3M]
1 Q→07Long Answer Type Questions [4M]
1 Q→Sample Questions
Rotate and Observe questions
One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
Which is the measuring unit of angle?
- AKilogram
- BMeter
- CCentimeter
- ✓Degreе
Answer: D.
View full solution →Two right angles together make :
- A90°
- ✓180°
- C270°
- D360°
Answer: B.
View full solution →The angle of 180° is called :
- Aobtuse angle
- ✓straight angle
- Cright angle
- Dacute angle
Answer: B.
View full solution →An angle of 40° is called :
- Aobtuse angle
- Bstraight angle
- Cright angle
- ✓acute angle
Answer: D.
View full solution →For measuring angle __________ is used.
90° angle is called __________
Where two ray meet that point is called __________.
The measure of a straight angle is __________.
The angle of 90° is called __________.
An angle of measure 180° is called a straight angle.
At exactly 6 o'clock, an angle of 150° is formed between the hour and minutes hands of a wall clock.
The edges of windows in houses from right angles.
The angle of 135° is an acute angle.
Look the places where angles are formed on these figures.
Mark angles which are greater than a right angle, those angles which are equal to right angle with a X and those angles which are smaller than a right angle with a ✓.
Mark angles which are greater than a right angle, those angles which are equal to right angle with a X and those angles which are smaller than a right angle with a ✓.
Look the places where angles are formed on these figures.
Mark angles which are greater than a right angle, those angles which are equal to right angle with a X and those angles which are smaller than a right angle with a ✓.
Mark angles which are greater than a right angle, those angles which are equal to right angle with a X and those angles which are smaller than a right angle with a ✓.
Look the places where angles are formed on these figures.
Mark angles which are greater than a right angle, those angles which are equal to right angle with a X and those angles which are smaller than a right angle with a ✓.
Mark angles which are greater than a right angle, those angles which are equal to right angle with a X and those angles which are smaller than a right angle with a ✓.
Look the places where angles are formed on these figures.
Mark angles which are greater than a right angle, those angles which are equal to right angle with a X and those angles which are smaller than a right angle with a ✓.
Mark angles which are greater than a right angle, those angles which are equal to right angle with a X and those angles which are smaller than a right angle with a ✓.
Look the places where angles are formed on these figures.
Mark angles which are greater than a right angle, those angles which are equal to right angle with a X and those angles which are smaller than a right angle with a ✓.
Mark angles which are greater than a right angle, those angles which are equal to right angle with a X and those angles which are smaller than a right angle with a ✓.
With the help of protractor make following angle:
150°
150°
With the help of protractor make following angle:
90°
90°
With the help of protractor make following angle:
105°
105°
With the help of protractor make following angle:
45°
45°
First of all estimate and then with the help of protractor measure the angle.
Estimated measurement __________
Actual measurement __________
Estimated measurement __________
Actual measurement __________
| Q.1. Acute Angle | (A) $90^{\circ}$ |
| Q.2. Obtuse Angle | (B) Less than $90^{\circ}$ |
| Q.3. Right Angle | (C) more than $90^{\circ}$ and less than$180^{\circ}$ |
Explain the concept of right angle.
Generate a Rotate and Observe paper free
Pick question groups from the list above, set marks and difficulty, and export a branded PDF with step-by-step answer keys. First 3 chapters free — no signup.