alleryStart learning →A circle has radius 7 cm. Taking pi as 22 by 7, its area is:
A154 sq cm
B144 sq cm
C164 sq cm
D174 sq cm
Answer & Solution
Correct answer: A. 154 sq cm
1. Area is pi r squared.
2. Twenty two over seven times forty nine is one hundred fifty four.
3. So the area is 154 sq cm.
_Source: syllabus Mathematics Class X, Chapter 12, Areas Related to Circles._
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