Question
Find the circumference of the circle. Then approximate the circumference to the nearest hundredth.a. A circle whose diameter is $21 \mathrm{mm}$b. A circle whose radius is 6 mm.
Step 1
Step 1: The formula for the circumference of a circle is given by C = Ď€d if the diameter is given and C = 2Ď€r if the radius is given. Show more…
Show all steps
Your feedback will help us improve your experience
Erika Bustos and 52 other Geometry educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
Find the circumference of the circle with the given radius or diameter. $$d=23.1 \mathrm{mm}$$
Geometry
Circles
Find the approximate lengths of the radius and the diameter of a circle whose circumference is: a) 88 in. (Use $\pi \approx \frac{22}{7}$.) b) $157 \mathrm{m}$ (Use $\pi \approx 3.14$ )
Areas of Polygons and Circles
Circumference and Area of a Circle
The diameter of a circle is 4.2 ft. Find the circumference of the circle. Round to the nearest hundredth.
Plane Geometric Figures
Transcript
18,000,000+
Students on Numerade
Trusted by students at 8,000+ universities
Watch the video solution with this free unlock.
EMAIL
PASSWORD