Answer:
Both Answers are in the following attachment (a) and (b)
Step-by-step explanation:
Answer:
c. 80
Step-by-step explanation:
cos x = sin(x-70)
cos x = cos [90-(x-70)]
cos x = cos (90-x +70)
cos x = cos 160 -x
x= 160-x
2x = 160
x =80
B is the answer I think.Please make me brainlist answer!
Let C and d be the circumference and diameter of a circle, respectively. Then
C = πd
so that
π = C/d = C/12