Find the circumference of a circle whose diameter is 10.5 cm
Answers
Answered by
1
Answer:
131.95
Step-by-step explanation:
C=2πr
=2·π·21
≈131.94689
So 2 decimal place is 131.95
Answered by
1
AnSwEr -:
______________________________
Circumference of circle = 33 cm
_______________________________
_____________________________
The circumference of circle -:
“2 π r”
R = Radius
π = 22/7 or 3.14
______________________________
Radius of circle -:
“R= D/2”
R= Radius
D= Diameter
_______________________________
Step by Step Explanation-:
Given -:
R = Radius = 10.5 / 2
= 5.25 cm
To find,
The circumference of circle -:
“2 π r”
R = Radius = 5.25 cm
π = 22/7 or 3.14
2 x 22/7 x 5.25
10.5 x 22/7
= 33 cm
_______________________________
Circumference of circle = 33 cm
_______________________________
______________________________
Circumference of circle = 33 cm
_______________________________
_____________________________
The circumference of circle -:
“2 π r”
R = Radius
π = 22/7 or 3.14
______________________________
Radius of circle -:
“R= D/2”
R= Radius
D= Diameter
_______________________________
Step by Step Explanation-:
Given -:
R = Radius = 10.5 / 2
= 5.25 cm
To find,
The circumference of circle -:
“2 π r”
R = Radius = 5.25 cm
π = 22/7 or 3.14
2 x 22/7 x 5.25
10.5 x 22/7
= 33 cm
_______________________________
Circumference of circle = 33 cm
_______________________________
Similar questions