mynameisdoodlepixelo mynameisdoodlepixelo

20-01-2021
Mathematics

contestada

The circumference of a circle is 8.72cm.
Find the length of the diameter.
Give your answer rounded to 2 DP.

Respuesta :

hajrito hajrito

20-01-2021

It’s 5,5cm the diameter

Answer Link

bsuhail03 bsuhail03

20-01-2021

Circumference = 2(pi)(r)
2(pi)(r)=8.72
r = 8.72/(2*pi)
r = 1.39cm
Diameter = 2r
Diameter = 2*1.39 = 2.78 cm

Answer Link

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