All the angles of a triangle add up to 180 degrees.
30+39+<4= 180
69+<4= 180
Subtract 69 on both sides.
<4= 111 degrees
<1 and <4 are supplementary and adjacent. They equal 180 degrees as well.
111+<1= 180
<1= 69 degrees
I hope this helps!
<em>~kaikers</em>
The answer is D
If this helped a brainliest would be appreciated!
Answer:
9 and 27
Step-by-step explanation:
let me know if you want an explanation
The radius of a circle is half the length of the circumference.
So multiply 12 by itself and you get 24.
The answer is C.
