Math, asked by pratimatwrkd, 1 day ago

please do quickly....​

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Answered by Anonymous
0

Answer:

60 degrees (B)

Step-by-step explanation:

since the base is a straight line, it is totally 180 degrees,

to find a you must use linear pair property, which is, if an arm is extending from a straight line, the 2 angles adjacent to it will add up to 180 deg

180-120= 60

hope it helps, pls mark me brainliest

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