Draw a line AB. At A, draw an arc of length 3cm using compass such that it inter

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Draw a line AB. At A, draw an arc of length $3 c m$ using compass such that it intersects AB at O. With the same spread of compass, put the compass pointer at O and make an arc that intersects the previous arc at P. With the same spread again, put the compass pointer at P and draw an arc that intersects the first arc at Q. Join A and Q. Using the protractor, measure $∠ Q A B$ . What is the value of $∠ Q A B$ .

Options:

A .

30^{\circ}

B .

60^{\circ}

C .

90^{\circ}

D .

120^{\circ}

Answer: Option D
:
D

If you follow all the steps, you would get this:

If you measure $∠ Q A B$ , the value which you would get is $120^{\circ}$

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