Answer:
I think D
Step-by-step explanation:
I am not sure sorry
B is 70 a is 110 the awnser to question a is two angles next to eachother will equal 110 and in the case of a triangle the two adjacent angles will always be the same as a points opposite angle
1) circumference= 3.14 x 12
C= 37.68
The correct answer is 6 units
Hope this helped :)