Question

86. What is the diameter of circle whose
circumference is 440?
a). 70 metres
b). 33 metres
c). 50 metres
d). 28 metres​

Answer 1

a)70 m

Step-by-step explanation:

The answer is 70 metres

Answer 2

$2\pi \: r = 440 \\ 2 \times 22 \div 7 = 440 \\ r = 440 \times 7 \div 2 \times 22 \\ r = 70 \\ diameter = 70 \times 2 = 140 \\ the \: diameter = 140$

I hope it help you