The answer is 3 cm. You just have to add the sides you know (6 and 8) and subtract that from the perimeter (18)
Circumference=2πr
=2*3.14*105
=659.4cm
Answer:
1
Step-by-step explanation:
multiply and divide(left to right)
=9-9+1
Add and subtract(left to right)
=1
