the radius of a circle has increased by 20%. by what percentage does the circumference increase ?
Answers
Answered by
1
Answer:
1) 20%. 2) 44%
Step-by-step explanation:
plz mark me as brainlist
Answered by
0
Answer:
Let the radius be r cm.
Circumference=2πr=44/7r cm
New radius=r+20/100r=r+r/5=6r/5 cm
New circumference=2πr=44/7×6r/5=264r/35
Increase in circumference
=(264r/35-r)/r×100=654.28percent
Step-by-step explanation:
Please mark my answer as brainliest.
Similar questions
English,
1 month ago
Math,
1 month ago
English,
2 months ago
India Languages,
2 months ago
English,
11 months ago