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43 votes
43 votes
Find the radius of a circle with area 345 square centimetres

30 pts need in like 10 mins!!


Please say the answer like-


… divided by … = ……

Or


… times … = …..

User Vincenzo Maggio
by
2.6k points

2 Answers

12 votes
12 votes
Answer: Radius = 10.48 cm

Step-by-Step Solution:

Radius (r) = ?
Area (A) = πr² = 345 sq. cm

Therefore,
πr² = 345
3.14 * r² = 345
r² = 345/3.14
r² = 109.87
r = √109.87
=> r = 10.48

Radius (r) = 10.48 cm
User Ellie Tam
by
3.1k points
23 votes
23 votes

Answer:

5.9

Explanation:

It's because area is 345

  1. Formula , A=πr2
  2. Find the √ of 345
  3. 18.6=3.14×f2f
  4. R = 5.9

User Jayprakash Dubey
by
3.4k points