15-02-2019
Mathematics

contestada

The sum of the circumference and diameter of a circle is 116 cm. Find its radius

Respuesta :

jahnavijha399 jahnavijha399

15-02-2019

Answer:

Step-by-step explanation:

A.t.q,

2πr+2r=116 cm

2r(π+1)=116 cm

2r(22/7+1)=116 cm

2r(22+7/7)=116 cm

2r=116×7/29

2r=28 cm

r=28/2

r=14 cm

Thank you

Answer Link

jerrygrouve jerrygrouve

15-02-2019

Answer:

r = 18.47

Step-by-step explanation:

Circumference - 2πr

Diameter - 2r

Given: 2πr + 2r = 116

2r(π+1) = 116

Value of π = 3.14

2r(3.14) = 116

r = 18.47

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Source: TutorEye

Answer Link

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