हिंदी

The measure of the angle is given below. Write the measure of the complementary angle. 20

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प्रश्न

The measure of the angle is given below. Write the measure of the complementary angle.

20°

योग
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उत्तर

Let the measure of the complementary angle be a.

20° + a = 90°

∴ a = 90° − 20°

∴ a = 70°

Hence, the measure of the complement of an angle of measure 20° is 70°.

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  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 4: Angles and Pairs of Angles - Practice Set 16 [पृष्ठ २६]

APPEARS IN

बालभारती Mathematics [English] Standard 7 Maharashtra State Board
अध्याय 4 Angles and Pairs of Angles
Practice Set 16 | Q 1.5 | पृष्ठ २६
बालभारती Mathematics Integrated [English] Standard 7 Maharashtra State Board
अध्याय 4 Angles and Pairs of Angles
Practice Set 16 | Q 1. (v) | पृष्ठ ६३

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The drawings below (Figure), show angles formed by the goalposts at different positions of a football player. The greater the angle, the better chance the player has of scoring a goal. For example, the player has a better chance of scoring a goal from Position A than from Position B.

In Parts (a) and (b) given below it may help to trace the diagrams and draw and measure angles.

  1. Seven football players are practising their kicks. They are lined up in a straight line in front of the goalpost [Figure]. Which player has the best (the greatest) kicking angle?
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