<span>m∠CED = </span><span>1/2(m∠AOB + </span><span><span>m∠COD)</span> = 1/2(90° + 16°) = 1/2(106°) = 53°</span>
Answer: 8cm
Step-by-step explanation:
If the radius of the circle is 4 cm, then the diameter of the circle is 4 cm x 2, or 8 cm. If you know the circumference of the circle, divide it by π to get the diameter.
Answer: x=6
Step-by-step explanation:
The answer is 105
because ive done this in class and i added
Answer

Step-by-step explanation:
Radius is always half of the diameter so,
is equal to
.
The Formula for Circumference is 
Since we found out the radius, we need to basically substitute (or insert) it into the radius spot so the next step will be:
Then we multiply (2)(1.25) to get an answer of 2.5 (which we already know)
So our answer is going to be 
Hope this helped and answers your question! Have a great rest of your day/night!