If an area in the form of a a circle is to be roped off by rope 10m [meter] long , what will be the radius of thi area ? round of you awnser two decimal place wichi the crrect awser it is A 1.28m or B 1.59 or C . 2.56 or D.3.18m

jlo2ni5x

jlo2ni5x

Answered question

2022-07-31

If an area in the form of a a circle is to be roped off by rope 10m [meter] long , what will be the radius of thi area ? round of you awnser two decimal place wichi the crrect awser it is A 1.28m or B 1.59 or C . 2.56 or D.3.18m

Answer & Explanation

Kaiden Weeks

Kaiden Weeks

Beginner2022-08-01Added 14 answers

the circumference of a circle is C = 2 π r
you are told C=10m
thus 10 = 2 π r
now solve for r:
r = 10 / ( 2 π )
r = 1.59 m
Brenton Dixon

Brenton Dixon

Beginner2022-08-02Added 5 answers

2 π r = perimeter of a circle
since we have the perimeter (10 m) of this circle we can jus plugin 10 for the perimeter and solve for r:
10 = 2 π r
π r = 5
r = 5 π
r=1.59
so B is the correct answer

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