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प्रश्न
The measure of the angle is given below. Write the measure of the complementary angle.
40°
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उत्तर
Let the measure of the complementary angle be a.
∴ 40° + a = 90°
∴ 40° + a − 40° = 90° − 40° ...(Subtracting 40 from both sides)
∴ a = 50°
Hence, the measure of the complement of an angle of measure 40° is 50°.
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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.
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- Now the players are lined up as shown in figure. Which player has the best kicking angle?
- Estimate atleast two situations such that the angles formed by different positions of two players are complement to each other.
