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# CBSE Class 6 Answered

If two acute angles are added together,is their sum a straight angle? Justify your answer.
Asked by Topperlearning User | 24 Jul, 2014, 04:12: PM

No.

An acute angle is less than 90°.

If you add two acute angles:

the sum could be acute, example: 10° + 20° = 30° (an acute angle).

the sum could be right, example: 40° + 50° = 90° (a right angle).the sum could be obtuse, example: 30° + 80° = 110° (an obtuse angle).the sum could NOT be straight because each acute angle is less than 90° and a straight angle is 180°, example: 89° + 89° = 178° which is less than a straight angle.

Answered by | 24 Jul, 2014, 06:12: PM

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