Question

The inner circumference of a circular track is 330 cm It has width of 10.5 CM everywhere find the outer circumference.​

Answer 1

Answer:

iiner circumference is 330 radius is ?

radius is 330=2pie r

52.5cm

outer radius is 52.5 +10.5=63cm

therefore outer circumference

is 2 pier which is yu rr ans

396 hope This

will Help yu mate

Answer 2

Answer:. 396 cm.

Step-by-step explanation:

Circumference=330=2πr

r=330/(2π)

r is increased 10.5 cm

R=330/(2π) +10.5

R=(210+42)/4= 252/4=63 cm

Outer circumference=2πR

= 2*63*22/7

=396 cm

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