Question

The distance across a sink drain is 3.8 cm what is the radius? Circumfrence?

Answer 1

To find the radius of the sink drain, we can use the formula for the diameter of a circle:

d = 2r

where d is the distance across the sink drain, and r is the radius.

Substituting the given value, we get:

3.8 cm = 2r

Dividing both sides by 2, we get:

r = 1.9 cm

So the radius of the sink drain is 1.9 cm.

To find the circumference of the sink drain, we can use the formula:

C = 2πr

where C is the circumference, and r is the radius we just found.

Substituting the value of r, we get:

C = 2π(1.9 cm)

C ≈ 11.94 cm

So the circumference of the sink drain is approximately 11.94 cm.