11.4 Circumference & Arc Length

Like ex find the radius of a circle ex find with a

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: , the result would look like this. like Ex: Find the radius of a circle Ex Find with a circumference of 52 in. with C = 2π r 52 = 2π r 52/2π = r 8.28 in. ≈ r 8.28 OR C=πd 52 = π d 52 52/π = d 16.55 in. ≈ d 16.55 So, r ≈ 16.55/2 r ≈ 8.28 in. Arc Length Arc • Defn. – a piece of the circumference of piece a circle. circle. • The measure of an arc is in degrees. The measure • The length of an arc is in linear units. The length (such as ft, cm, etc.) (such Arc Length Corollary Arc • The...
View Full Document

Ask a homework question - tutors are online