Answer:
49.6cm
Step-by-step explanation: First you have to find the diameter of the circle by multiplying the radius by 2.
8x2=16
Then multiply 16 by 3.1
16x3.1=49.6
Answer:
n=11
Step-by-step explanation:
19+n=30
n=30-19
n=11
If you’re trying to find x, x = 3.
