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The side BC of the triangle ABC is exten...

The side BC of the triangle ABC is extended to D. If `angleACD=120^(@),angleABC=2/(3)angleCAB`, then what is `angleBAC` ?

A

`60^(@)`

B

`45^(@)`

C

`30^(@)`

D

`72^(@)`

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The correct Answer is:
d
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LUCENT PUBLICATION-LINES AND ANGLES -EXERCISE 4A
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  11. If two angles are complementary to each other, then each angle is :

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