Question

Choose the correct option -

An angle whose measure is between 0° and 90°

1) acute angle
2) right angle
3) Obtuse angle
4) reflex angle

Define Intersecting lines .

Answer 1

(i) ɑcute ɑngle

(ii)Lines thɑt hɑve one ɑnd only one point in common ɑre known ɑs intersecting lines. A minimum of two lines ɑre required for intersection.

The common point where ɑll the intersecting lines meet is cɑlled the Point of Intersection

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Answer 2

$\huge \text{Given Question - }$

Choose the correct option -

An angle whose measure is between 0° and 90°

1) acute angle

2) right angle

3) Obtuse angle

4) reflex angle

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An angle whose measure is between 0° and 90°is called Acute angle

$\underline{\bigstar\:{\pmb{\sf{Know \: more - :}}}}$

CLASSIFICATION OF ANGLES

❍ Acute angle: An angle whose measure is between 0° and 90°

❍ Right angle : an angle whose measure is 90°.

❍ Obtuse angle: An angle whose measure is more than 90° but less than 180°.

❍ Straight angle: an angle whose measure is 180°.

❍ Reflex angle : An angle whose measure is greater than 180° but less than 360°.

❍ Complementary angles: Two angles sum of their measure is 90°.

❍ Supplementary angles : Two angles sum of their measure is 180°.

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$\huge \text{Given Question - }$

Define Intersecting lines .

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Two lines are intersecting if they have a common point. the common point is called the 'point of intersection' .

like, in

• fig 1 lines PQ and RS are intersecting
• fig 2 PQ and RS are parallel lines

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