18/42
Both are divisible by 2
9/21
both are divisible by 3
3/7
We know, Circumference = π × Diameter
C = 3.14 * 6
C = 18.84
In short, Your Answer would be 18.84 cm
Hope this helps!
Answer:
The answer for 18 is 175 (use khan academy)
Step-by-step explanation: base1 + base2 (times) height divided by 2
