3 years ago

Please help me guys

Mathematics

2 answers:

erastovalidia [21]3 years ago

5 0

2nd one its like one big right angle so must add to 90
So (x+9)+2x=90

OLga [1]3 years ago

3 0

(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.

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