Answer:
24
Step-by-step explanation:
from the question above,
30+(-6) =
when plus is multiplying minus it's minus
+ × - = -
30-6 = 24
Answer:
Step-by-step explanation:
cos 43=cos (90-47)=sin 47
Answer:
x=21
Step-by-step explanation:
well, geez - just do the math!
3/7 * 49 = 21
The measure of exterior all angles of a regular n-agon is 180
now for the decagon which has 10 angles is 180/10=18
Answer:.
Step-by-step explanation: