What is the formula for the area of a sector in a circle?
Arc Length and Sector Area

Flashcard
•
Mathematics
•
10th Grade
•
Hard
Quizizz Content
FREE Resource
Student preview

15 questions
Show all answers
1.
FLASHCARD QUESTION
Front
Back
Area = (θ/360) * π * r², where θ is the angle in degrees and r is the radius.
2.
FLASHCARD QUESTION
Front
How do you calculate the arc length of a sector?
Back
Arc Length = (θ/360) * 2 * π * r, where θ is the angle in degrees and r is the radius.
3.
FLASHCARD QUESTION
Front
What is a sector in a circle?
Back
A sector is a portion of a circle enclosed by two radii and the arc between them.
4.
FLASHCARD QUESTION
Front
What is the relationship between the radius and the area of a sector?
Back
The area of a sector increases with the square of the radius.
5.
FLASHCARD QUESTION
Front
If a sector has an angle of 90°, what fraction of the circle does it represent?
Back
It represents 1/4 of the circle.
6.
FLASHCARD QUESTION
Front
What is the area of a sector with a radius of 8 in and an angle of 90°?
Back
Area = (90/360) * π * (8)² = 16π in².
7.
FLASHCARD QUESTION
Front
What is the circumference of a circle with a radius of 10 in?
Back
Circumference = 2 * π * r = 20π in.
Create a free account and access millions of resources
Similar Resources on Wayground
15 questions
Arc Length and Sector Area

Flashcard
•
10th Grade
15 questions
Arc Length & Sector Area of Circles

Flashcard
•
10th Grade
15 questions
Arc Length and Area of Sector

Flashcard
•
10th Grade
15 questions
Arc Length and Sector Area

Flashcard
•
10th Grade
15 questions
Review Circles 2022

Flashcard
•
10th Grade
14 questions
Arc Length and Area Sector

Flashcard
•
10th Grade
15 questions
Sector Area

Flashcard
•
10th Grade
15 questions
Area of a Sector Reteach

Flashcard
•
10th Grade
Popular Resources on Wayground
25 questions
Equations of Circles

Quiz
•
10th - 11th Grade
30 questions
Week 5 Memory Builder 1 (Multiplication and Division Facts)

Quiz
•
9th Grade
33 questions
Unit 3 Summative - Summer School: Immune System

Quiz
•
10th Grade
10 questions
Writing and Identifying Ratios Practice

Quiz
•
5th - 6th Grade
36 questions
Prime and Composite Numbers

Quiz
•
5th Grade
14 questions
Exterior and Interior angles of Polygons

Quiz
•
8th Grade
37 questions
Camp Re-cap Week 1 (no regression)

Quiz
•
9th - 12th Grade
46 questions
Biology Semester 1 Review

Quiz
•
10th Grade