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Addition and Subtraction of Angles

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Question

Is it correct to say that the sum of an acute and an obtuse angle will always be equal to that of a reflex angle? Justify your answer with the help of an example.

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Solution

No, it is not correct as Acute $(89 °) +$ Obtuse $(91 °) = 180 °$ (Straight Angle)

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Similar questions

The sum of two acute angles is always an obtuse angle.

Q. An angle measuring 200° is
(a) an obtuse angle
(b) an acute angle
(c) a reflex angle
(d) none of these

Q. An angle measuring 270° is
(a) an obtuse angle
(b) an acute angle
(c) a straight angle
(d) a reflex angle

Q. An obtuse angle will always be expressed as a sum of one acute angle and other obtuse angle.

Q. Which of the following statements are correct?

(I) The sum of the measures of any two acute angles will always be the measure of an obtuse angle.
(II) The sum of the measures of any two obtuse angles will always be the measure of a reflex angle.

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Addition and Subtraction of Angles

Standard VII Mathematics

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