Anisha measured the internal angle of a triangle using a protractor from left to right and found to be 60- while Sanju measured same angle from right to left and found it to be

The correct option is A 120^∘Total graduation on a protractor is 180^∘. Anisha is measuring the acute angle and Sanju is measuring the obtuse angle. While Sanj ...

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Question

Anisha measured the internal angle of a triangle using a protractor from left to right and found to be $60^{\circ}$ while Sanju measured same angle from right to left and found it to be ___

120^{\circ}

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100^{\circ}

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80^{\circ}

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180^{\circ}

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Solution

The correct option is A $120^{\circ}$
Total graduation on a protractor is $180^{\circ}$ .
Anisha is measuring the acute angle and Sanju is measuring the obtuse angle.
While Sanju measures using the scale from right to left, Anisha measures it from left to right.
Thus the angle obtained by Sanju is,
$180 - 60 = 120^{\circ}$

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Anisha measured the internal angle of a triangle using a protractor from left to right and found to be 60∘ while Sanju measured same angle from right to left and found it to be ___

The correct option is A 120∘Total graduation on a protractor is 180∘. Anisha is measuring the acute angle and Sanju is measuring the obtuse angle. While Sanju measures using the scale from right to left, Anisha measures it from left to right. Thus the angle obtained by Sanju is, 180−60=120∘

Anisha measured the internal angle of a triangle using a protractor from left to right and found to be $60^{\circ}$ while Sanju measured same angle from right to left and found it to be ___