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Keith_Richards [23]
3 years ago
11

Pls help and thank you

Mathematics
2 answers:
Kamila [148]3 years ago
8 0

Answer:

160°

Step-by-step explanation:

a + 20° = 180° [linear pair]

=> a = 180 - 20

=> <u>a</u><u> </u><u>=</u><u> </u><u>160</u><u>°</u><u>(</u><u>Ans</u><u>)</u>

max2010maxim [7]3 years ago
7 0

Answer:

60

Step-by-step explanation:

straight line is equal to 180 so to find a just subtract 180-20

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