Home
Class 14
MATHS
There is a circular garden of radius 21 ...

There is a circular garden of radius 21 metres. A path of width 3.5 metres is constructed just outside the garden. What is the area (in `metres^2`) of the path?
21 मीटर त्रिज्या वाला एक वृत्ताकार उद्यान है। उद्यान के ठीक बाहर 3.5 मीटर चौडाई वाले एक पथ का निर्माण किया गया है। पथ का क्षेत्रफल (`मीटर^2` में) क्या है?

A

`50.05`

B

`57.56`

C

`52.12`

D

`56.07`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • MENSURATION

    KIRAN PUBLICATION|Exercise TYPE - III|21 Videos

  • MENSURATION

    KIRAN PUBLICATION|Exercise TYPE - IV|169 Videos

  • MENSURATION

    KIRAN PUBLICATION|Exercise Test Yourself|28 Videos

  • LCM AND HCF

    KIRAN PUBLICATION|Exercise Test Yourself |18 Videos

  • MISCELLANEOUS

    KIRAN PUBLICATION|Exercise TYPE-VI|15 Videos

Similar Questions

Explore conceptually related problems

There is a circular garden of radius 21 metres. A path of width 3.5 metres is constructed just outside the garden. What is the area ("in meters"^(2)) of the path ?

There is a rectangular garden of dimensions 480 metre xx 160 metre. A path of width 3 metre is built outside the garden. What is the area (in "metre"^(2) ) of the path ?

In the given figure, PQR is a quadrant whose radius is 7cm.A circle is incribed in the quadrant as shown in the figure.What is the area (in cm^2 ) of the circle? दी गई आकृति में, PQR एक वृत्त-खण्ड है जिसकी त्रिज्या 7 से.मी. है। जेसा कि आकृति में दर्शाया गया है कि वृत्त-खण्ड में एक वृत्त को अंकित किया गया हें वृत्त का क्षेत्रफल ( से.मी.^2 में) क्या है?

A sphere of radius 21 cm is cut into 8 identical parts by 3 cuts (1 cut along each axis). What will be the total surface area (in cm^2 ) of each part? एक 21 से.मी. त्रिज्या वाले गोले को 3 कटाव (प्रत्येक अक्ष पर 1 कयव) लगाकर 8 समरूप भागों में काटा जाता है। प्रत्येक भाग का कुल पृष्ठीय क्षेत्रफल ( से.मी.^2 में) क्या होगा?

An equilateral triangle of side 12 cm is drawn. What is the area (in cm^2 ) of the largest square which can be drawn inside it? 12 सेमी. भुजा वाला एक समबाहु त्रिभुज बनाया गया। इसमें बनाए जा सकने वाले बडे वर्ग को क्षेत्रफल (सेमी. में) क्या है?

The length of a rectangular park is 20m more than its breadth. If the cost of fencing the park at Rs. 53 per metre is Rs. 21,200, then what is the area (In square metres) of the park? एक आयताकार पार्क की लंबाई इसकी चौड़ाई से 20 मीटर अधिक है। यदि 53 रु प्रति मीटर की दर से पार्क में बाड़ लगाने की लागत 21,200 है। तो पार्क का क्षेत्रफल (वर्ग मीटर में) क्या है?

From a solid cylinder wooden block of height 18cm and radius 7.5cm, a conical cavity of same radius and same height is taken out. What is total surface area (in cm^2 ) of the remaining solid? ऊंचाई 18 सेमी और त्रिज्या 7.5 सेमी के एक ठोस सिलेंडर लकड़ी के ब्लॉक से, समान त्रिज्या और समान ऊंचाई का एक शंक्वाकार गुहा बाहर निकाला जाता है। शेष ठोस का कुल क्षेत्रफल ( सेमी^2 में) क्या है

The angles of elevation of the top of a tree 220 meters high from two points lie on the same plane are 30^@ and 45^@ . What is the distance (in metres) between the two points? 220 मीटर ऊँचे एक वृक्ष के दी बिंदुओ का समान तल पर उन्नयन कोण 30^@ तथा 45^@ हैं। दो बिंदुओ के मध्य दूरी (मीटर में) क्या है?

In the given figure, ABCD is a square of side 14cm. E and F are mid points of sides AB and DC respectively. EPF is a semicircle whose diameter is EF. LMNO is a square. What is the area (in cm^2 ) of the shaded region? दी गई आकृति में, ABCD 14 सेमी. भुजा वाला एक वर्ग है। E तथा F क्रमश: AB तथा DC भुजा के मध्य बिन्दु है। EPF, एक अर्धवृत्त है जिसका व्यास EF है। LMNO एक वर्ग है। छायांकित भाग का क्षेत्रफल ( सेमी^2 में) क्या है?

KIRAN PUBLICATION-MENSURATION-TYPE -II
  1. Triangle PQR is inscribed in the circle whose radius is 14 cm. If PQ i...

    Text Solution

    |

  2. PQR is a right angled triangle in which PQ = QR. If the hypotenuse of ...

    Text Solution

    |

  3. There is a circular garden of radius 21 metres. A path of width 3.5 me...

    Text Solution

    |

  4. In the given figure, PQRS is a square whose side is 8 cm. PQS and QPR ...

    Text Solution

    |

  5. The side of an equilateral triangle is 8cm. Find its area (in cm^(2)).

    Text Solution

    |

  6. The area of a circle is 346.5 cm^(2). Find its circumference (in cm).

    Text Solution

    |

  7. What must be the length (in cm) of the diagonal of a rectangle if its ...

    Text Solution

    |

  8. In the given figure, ABCD and BEFG are squares of sides 8cm. And 6 cm ...

    Text Solution

    |

  9. PQRS is a parallelogram and its area is 300 cm^2. Side PQ is extended ...

    Text Solution

    |

  10. In the given figure, ABCDEF is a regular hexagon whose side is 12 cm. ...

    Text Solution

    |

  11. ABCD passes through the centres of the three circles as shown in the ...

    Text Solution

    |

  12. A = Area of the largest circle drawn inside a square of side 1 cm B ...

    Text Solution

    |

  13. If the lengths of the two parallel sides of a trapezium are 8 cm and 1...

    Text Solution

    |

  14. If the circumference of a circle is 22 cm., then what must be its area...

    Text Solution

    |

  15. If the lengths of the two parallel sides of a trapezium are 4 cm and 6...

    Text Solution

    |

  16. If the circumference of a circle is 44 cm., then must be its area (in ...

    Text Solution

    |

  17. If the length of one side and the diagonal of a rectangle are 7 cm and...

    Text Solution

    |

  18. Find the area (in cm^(2)) of a semicircle of radius 21 cm.

    Text Solution

    |

  19. If the area of a semi-circle is 1925 cm^(2), then find its radius (in ...

    Text Solution

    |

  20. The perimeter of a square is 22 cm. Find its area (in cm^(2)).

    Text Solution

    |