This course on Circumference and Arc Length aims to teach students the formulas for calculating the circumference of a circle and the arc length. By the end of the course, learners will be able to calculate the circumference of a circle, find the arc length of a circle, determine the radius of a circle given the arc length, and solve various sample problems related to circles. The course employs a video guide format to explain the formulas and concepts, making it suitable for geometry teachers looking to enhance their lesson plans and high school students seeking additional help with geometry topics.
Overview
Syllabus
Formula for circumference of a circle .
Definition of circumference.
Formula for circumference involving radius explained.
Sample problem-find the circumference of a circle.
Arc length formula explained.
Sample problem-finding the arc length of a circle.
Sample problem-finding the arc length of a circle when given the diameter and the central angle.
Sample problem-find the radius of a circle given the arc length.
Answer to sample problem 5 Find the radius of OP.
Sample problem 6 Find the circumference of the circle.
Qurstion 7 Find the measure of arc AB.
Question 8 Find the diameter.
Question 9 Find the length of arc AB.
Question 11 Find length of arc AB.
Question 12 Length of semicircle .
Questions 13,14,15 16 Find the circumference of each circle.
Questions 17,18,19 Finding arc lengths.
Questions 20,21,22 Finding arc length,circumference,and radius.
Taught by
MooMooMath and Science
