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Side AB of a triangle ABC is 80 cm long,...

Side AB of a triangle ABC is 80 cm long, whose perimeter is 170 cm. If angle `ABC= 60^@`, the shortest side of triangle ABC measures_____cm.
एक त्रिभुज ABC की भुजा AB 80 सेमी लंबी है जिसका परिमाप 170 सेमी है | यदि कोण `ABC= 60^@` है, तो त्रिभुज ABC की सबसे छोटी भुजा का माप_____सेमी होगा |

A

17

B

15

C

25

D

21

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