In worksheet on angles you will solve 10 different types of questions on angles.

**1. Observe the given figure and answer:**

(i) Name the marked angle.

(ii) Name the vertex of the angle.

(iii) Name the arms of the angle.

**2. Observe the given figure and answer:**

(i) Name the angle marked by 1 in two different ways.

(ii) Name the vertex and arms of the angle marked by 2.

(iii) Name the angle whose arms are SQ and SP.

**3. **Classify the following angles into acute, obtuse, right and reflex angle:

(i) 35°

(ii) 185°

(iii) 90°

(iv) 92°

(v) 260°

**4.** Measure these angles:

(i)

**5. Observe the given figure with protractor and give the
measure of each of the angles.**

(i) m ∠POQ

(ii) m ∠POT

(iii) m ∠POR

(iv) m ∠POU

(v) m ∠POS

**6.** Use your protractor to draw these angles:

(i) 40°

(ii) 125°

(iii) 25°

**7.** Identify which of the following pairs of angles are complementary or supplementary?

(i) 70°, 20°

(ii) 20°, 170°

(iii) 50°, 145°

(iv) 125°, 55°

(v) 105°, 75°

(vi) 55°, 35°

**8.** Circle the alphabets with
right angles.

**9. **Find the complement of each of the following angles:

(i) 40°

(ii) 27°

(iii) 35°

**10. **Find the supplement of each of the following angles?

(i) 100°

(ii) 90°

(iii) 110°

(iv) 107°

**11. **Draw a pair of supplementary angles such that one of them measures:

(i) 120°

(ii) 90°

**12. **Construct the angles of the following measures with the help of a compass:

(i) 150°

(ii) 90°

(iii) 120°

**13.** An angle whose measure is less than 90° is called an ……………… .

**14.** An angle measure 0° is called a …………….. .

**15. **Observe the given figure.
Identify and name one angle of each case.

(i) Straight angle

(ii) Acute angle

(iii) Right angle

(iv) Obtuse angle

**15. **Given below are clocks. Show the time using needles to depict
the corresponding angles.

**16. **Define the given angles:

(i) Right angle

(ii) Acute angle

(iii) Obtuse angle

(iv) Straight angle

**Answers:**

**1.** (i) ∠ABC

(ii) B

(iii) AB, BC

**2.** (i) ∠OSR

(ii) O; OS, OR

(iii) ∠PSQ

**5.** (i) 35°

(ii) 160°

(iii) 95°

(iv) 180°

(v) 125°

**8.** E, F, G, H.

**14.** (i) ∠DOA

(ii) ∠AOB

(iii) ∠AOC

(iv) ∠BOD

**15.**

**16.** (i) 90°

(ii) less than 90° but greater than 0°

(iii) Greater than 90° but less than 180°

(iv) 180°

**● Angle.**

**Interior and Exterior of an Angle.**

**Measuring an Angle by a Protractor.**

**Construction of Angles by using Compass.**

**Geometry Practice Test on angles.**

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