I don’t know sorry I just need the points
Answer:
Surface area = 70π cm²
Step-by-step explanation:
Surface area = πr² + πrl
Surface area = (π × 5 × 5) + (π × 5 × 9)
Surface area = (25π) + (45π)
Surface area = 70π cm²
Answer: there are 18 necklaces made in 3 hours
Step-by-step explanation:
4 for the second one and 2 for the second
