circles-lesson-4-area-of-circles-and-sectors

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Note taking Guide link

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This is a long video so please take advantage of the video guide.

Video Guide

00:13 Definition of a sector

00:35 Formula for area of a circle

00:40 Sample problem- finding the area of a circle when given the radius

01:26 Sample problem - finding the area of a circle when given the diameter

02:21 Formula for area of a sector reviewed and explained

03:48 Sample problem - find the area of a sector

04:50 Sample problem - find the area of a sector

06:29 Sample problem- find the area of a circle given the sector area

09:20 Sample problem - find the radius of a circle given a central angle and the sector area

12:56 Question 1 . At the pizza party, the goalie Dan ate an ENTIRE PIZZA! If the radius of the pizza he ate was 6 inches. How big was the slice of pizza he ate? Provide each answer in exact form and approximate form.

14:40 Question 2 Charlie ate half a pizza that had a diameter of 20 inches! How big was the pizza he ate?

15:44 Application problem using area of a circle

16:59 Question 4 Tommy ate one slice of pizza from the pizza at right that has a diameter of 4in.

What was the size of his slice of pizza?

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Tagged under: circles,area circle,geometry,area sectors,math ,Geometry (Field Of Study),geometry ,geometry lessons,sectors,Area (Dimension),moomoomath

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