Answer:
could you upload a picture?
Step-by-step explanation:
If c is the hypotenuse and b is the leg, then the third side (a):

If b and с are legs, then hypotenuse (a):
Step-by-step explanation:
Multiply the radius by 2 to get the diameter. Multiply the result by π, or 3.14 for an estimation. That's it; you found the circumference of the circle
And then for diameter you have to Multiply the diameter by π, or 3.14. The result is the circle's circumference.