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How do you do this I am getting stuck in it

How do you do this I am getting stuck in it-example-1

1 Answer

2 votes

Answer:

x= 12

Explanation:

- total angle in a triangle will always be 180.

- substract 84 to 180 to find the remaining angle of the other two.

- add both A and B equals to the previous answer.

How do you do this I am getting stuck in it-example-1
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