Question

A circle has a diameter of twelve millimeters. What are the circumference and area of the circle? Use three point one four for pi. Round to the nearest tenth.

thirty-seven point seven millimeters; four hundred fifty-two point two square millimeters

eighteen point eight millimeters; one hundred thirteen point zero square millimeters

thirty-seven point seven millimeters; one hundred thirteen point zero square millimeters

eighteen point eight millimeters; four hundred fifty-two point two square millimeters

Answer 1

Help

Answer 2

It makes it a real pain to have the numbers written out in plain t ext. All the same, the formulas are:
\[\text{Area=}\pi r^2 \]
\[\text{Circumference=}2\pi r\]

Answer 3

thans i get it now