lagster11
20.07.2019 •
Mathematics
True or false: all circles are similar
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Ответ:
Hope this helps!
Ответ:
every circle will end up the same no matter what size they are
Ответ:
Answer
The answer is 49 degrees
Explanation
The exterior angle, the angle outside the triangle, it going to equal the angles inside the triangles.
w-19+w=w+30 Combine like term so combine the w's to be 2w
2w-19=w+30 Add 19 to both sides 30+19=49
2w=w+49 Subtract w from both sides 2w-w=w
w=49
To check your work you can plug 49 into w and you get that the angles inside the triangle is 79 and the exterior angle is 79 when you plug back in 79 and 79=79