Question

: An angle which is equal to its complement is 450 Reason(R) : When the sum of the measures of two angles is 180°, the angles are called supplementary angles. (a) Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A) (b) Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A) (c) Assertion (A) is true but reason (R) is false (d) Assertion (A) is false but reason (R) is true​

Answer 1

Answer:

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Class 6

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>>An angle is greater than 45...

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An angle is greater than 45. Is its complementary angle greater than 45 or equal to 45 or less than 45?

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Solution

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let ∠a and∠b be the two complementary angles.

so,

∠a+∠b=90

Here, one angle is 45

Let ∠a=45

⇒45+∠b=90

∠b=90−45=45

So from above we can say that if one complementary angle is greater than 45 then other angle is less than 45.