Subject
General Abilities
Topic
Geometry
Subtopic
Circle area
Sign in to view the correct answer.
Area=πr²≈28.27 cm².…
Sign in or upgrade to view the full explanation.
This question focuses on the concept of Circle area under the broader topic of Geometry.
Related key concepts: math, geometry.
1-on-1 Mentorship Available
Struggling with General Abilities? Get instant help from top-rated verified mentors.
Saba Noor
Using π≈3.1416, what is the area of a circle of radius 4 cm? [B2-CIR2]
Using π≈3.1416, what is the area of a circle of radius 5 cm? [B2-CIR3]
Using π≈3.1416, what is the area of a circle of radius 6 cm? [B2-CIR4]
Using π≈3.1416, what is the area of a circle of radius 7 cm? [B2-CIR5]
Using π≈3.1416, what is the area of a circle of radius 8 cm? [B2-CIR6]
Using π≈3.1416, what is the area of a circle of radius 9 cm? [B2-CIR7]
Unlock progress tracking
Save your place, track weak areas, and build a study plan.
Create Free AccountStruggling with this topic? Learn directly from verified expert mentors who have aced these exams.
Source
https://openstax.org/
Reviewed
15 Aug 2026
Updated
15 Aug 2026