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18 votes
Please help me guys

Please help me guys-example-1

2 Answers

13 votes
(x+9) + 2x = 90
Explanation: (x+9) and 2x are two angles inside the 90 degree angle. Therefore if they are added together they will make the 90 degrees.
User Petter Brodin
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5.3k points
2 votes
2nd one its like one big right angle so must add to 90
So (x+9)+2x=90
User Carlos Carrasco
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