A circular ring of diameter 77 cm is bent in the form of a rectangle whose length is 142% of its breadth. What is the area of the rectangle? (Taken π = 22/7)
Show answer & explanation
Correct answer: C
Explanation
The correct answer is Option 3 i.e. 3550 sq. cm
| Application |
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Diameter = 77 cm Means, total length of the ring = 2πr = 2 × 22/7 × 77/2 = 242 |
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let breadth = 100 unit So length = 142 unit Ratio = 50 : 71 Now, 2(50 + 71) unit = 242 242 unit = 242 1 unit = 1 |
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breadth = 50 cm & length = 71 cm So Area = 50 × 71 = 3550 |