Question

In figure
figure which type of
<1 and 2 angle
are 2
​

Answer 1

they are linear pair

<a is an acute angle and <b is an obtuse angle

Answer 2

Answer:

In the figure, ∠1 is an acute angle

In the figure, ∠2 is an obtuse angle

Line CA is forming a linear pair

TYPES OF ANGLES:-

There are six types of angles:

1) Acute angle- The angles which are smaller the a right angle are known as acute angles. For ex:- 60°, 43°, 70° etc.

2) Right angle- The angle which has a measure of 90° is known as a right angle.

3) Obtuse angles- The angles which have a measure greater than 90° but less than 180° are known as obtuse angles. For ex:- 100°, 179°, 120° etc.

4) Straight angle- The angle which has a measure of 180° is known as a straight angle. A horizontal line is also known as a straight angle.

5) Reflex angles- The angles which have a measure greater than 180° but less than 360° are known as reflex angles. For ex- 270°, 300° etc.

6) Complete angle- As the name suggests, an angle which has a measure of 360° is known as a complete angle.

Hope it helps

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