2 years ago

I don't know how to do math lol

Mathematics

2 answers:

ch4aika [34]2 years ago

5 0

Answer:

It's 9 and if I'm wrong I just copied the other guys answer soo

Step-by-step explanation:

Nimfa-mama [501]2 years ago

3 0

9514 1404 393

Answer:

(d) 9

Step-by-step explanation:

The relation you're supposed to apply here is ...

an exterior angle of a triangle is equal to the sum of the remote interior angles.

The exterior angle is 17x+7, and it is equal to the sum of the two marked angles inside the triangle.

17x +7 = 13x +3 +40

4x = 36 . . . . . . . . . . . . . subtract 13x+7 from both sides

x = 9 . . . . . . . . . divide both sides by 4

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I don't know how to do math lol​

I don't know how to do math lol