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Subjects
Mathematics State Board
Class 7
Measurements
Area of pathways
1.
One mark exercise problems
Exercise condition:
3
m.
1
. The formula to find the
area of the circular path
is
\(2 \pi r^2 \ sq. \ units\)
\(\pi r^2 \ sq. \ units\)
\(\pi r^2 + 2r \ sq. \ units\)
\(\pi(R^2 - r^2) \ sq. \ units\)
2
. The formula used to find the
area of the rectangular path
is
\(\pi(R^2 - r^2) \ sq. \ units\)
\((L \times B) - (l \times b) \ sq. \ units\)
\(LB \ sq. \ units\)
\(lb \ sq. \ units\)
3
. The formula to find the
width of the circular path
is
\((r - R) \ units\)
\((R - r) \ units\)
\((B - b) \ units\)
\((L - l) \ units\)
.
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