Answer
Step by step text solution for Find the circumference and area of a circle of radius 4.2 cm. by MATHS experts to help you in doubts & scoring excellent marks in Class 10 exams.
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RD SHARMA-AREAS RELATED TO CIRCLES-All Questions
- The cost of fencing a circular field at the rate Rs 24 per metre is...
01:49
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- Fig. 15.6, depicts an archery target marked with its five scoring a...
09:07
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- Find the circumference and area of a circle of radius 4.2 cm.
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- Find the circumference of a circle whose area is 301. 84\ c m^2 .
01:55
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- Find the area of a circle whose circumference is 44 cm.
01:03
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- The circumference of a circle exceeds the diameter by 16.8 cm. Find...
01:30
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- A steel wire when bent in the form of a square encloses an area of ...
02:36
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- A horse is placed for grazing inside a rectangular field 40 m by 36...
01:18
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- A sheet of paper is in the form of a rectangle A B C D in which ...
02:08
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- The circumference of two circles are in the ratio 2\ :3 . Find the ...
01:20
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- The side of a square is 10 cm. Find the area of circumscribed and i...
02:32
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- The sum of the radii of two circles is 140 cm and the difference of...
03:26
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- The area of a circle inscribed in an equilateral triangle is 154\ c...
03:27
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- A field is in the form of a circle. A fence is to be erected around...
02:29
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- The radii of two circles are 8 cm and 6 cm respectively. Find the r...
03:44
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- The radii of two circles are 19 cm and 9 cm respectively. Find the ...
02:02
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- The area enclosed between the concentric circles is 770\ c m^2 . If...
02:18
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- A sector is cut from a circle of radius 21 cm. The angle of the sect...
03:16
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- Find the area of the sector of a circle whose radius is 14 cm and a...
00:48
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- The minute hand of a clock is 10 cm long. Find the area of the face...
04:42
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