The length of a radius of a circle is decreased by $$\(10 \%\)$$. This causes the area to be decreased by
A.
\(19 \%\)
B.
\(20 \%\)
C.
\(21 \%\)
D.
\(25 \%\)
Exam No：2022 First Round Grade 5 Year：2022 Question No：31
Answer:
A
Knowledge points:
G5 - Arithmetic - Percentages (Concept & Calculation)
Solution:
Download APP for more features
1. Tons of answers.
2. Smarter Al tools enhance your learning journey.
IOS
Download
Download
Android
Download
Download
Google Play
Download
Download