Login
Login
Sign up
Start
Mathmania
Teacher tutorials
TOP
Subjects
Bridge Course
Testworks
Subject updates
Ya+
News
Send feedback
See more
Contacts
About Us
Terms and Conditions
Privacy Policy
PDF chapter test
TRY NOW
Subjects
Mathematics State Board
Class 7
Measurements
Area of a circle
1.
One mark exercise problems
Exercise condition:
3
m.
1
. The
formula
used to find the
area of the circle
is
\(4\pi r²\)
\(\pi r²\)
\(\pi r² + 2r\)
\(2\pi r²\)
\(sq. units\).
2
. The ratio of the area of a circle to the
area of its semicircle
is
4 : 1
1 : 2
2 : 1
1: 4
.
3
.
Area of a circle
is radius '\(n\)' units is
\(\pi n^2 \ sq. \ units\)
\(\pi m^2 \ sq. \ units\)
\(\pi r^2 \ sq. \ units\)
\(2\pi r^p \ sq. \ units\)
Login
or
Fast registration
Previous theory
Exit to the topic
Next exercise
Send feedback
Did you find an error?
Send it to us!