Find the length of an arc and the perimeter of a sector

Find the length of an arc and the perimeter of a sector

Lesson details

Key learning points

  1. In this lesson, we will find the length of an arc and the perimeter of a semicircle

Licence

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3 Questions

Q1.
What is the arc length of the semi circle in terms of π ?
An image in a quiz
A
B
Correct answer: C
D
Q2.
What is the arc length of the quarter circle to 3 significant figures?
An image in a quiz
Correct answer: A
B
C
D
Q3.
What is the arc length of the semicircle to 3 significant figures?
An image in a quiz
A
B
C
Correct answer: D

3 Questions

Q1.
What is the arc length of the sector to 3 significant figures?
An image in a quiz
A
B
C
Correct answer: D
Q2.
What is the perimeter of the sector to 3 significant figures?
An image in a quiz
A
Correct answer: B
C
D
Q3.
What is the arc length of the sector to 3 significant figures?
An image in a quiz
A
B
Correct answer: C
D

Lesson appears in

UnitMaths / Parts of a Circle 1 & 2

UnitMaths / Parts of circles 2 (Arcs and Sectors)