10. Suculas hower bed is surrounded by a path 6 m wide. The diameter of the flower bed is 07 11
What is the area of this path?
The inner circumference of a circular track is 242 m. The track is uniformiy
of the track.
ar track is 242 m. The track is uniformly 7 m wide. Find the are
a
The areas of two concentric circles are 1386 cm2 and 1886.5 cm-respectively. Find new
.
The area
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Answer:
Step-by-step explanation:Diameter of the circular flower bed=66m
∴ Radius of circular flower bed=
=33m
∴ Radius of circular flower bed with 4 m wide path(R)=33+4=37m
Area of path=Area of bigger circle−Area of smaller circle
=3.14[(37+33)(37−33)]
=(a+b)(a−b)]
=3.14×70×4
=879.20m
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