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A Circular Flower Garden Has an Area of 314 M2. a Sprinkler at the Centre of the Garden Can Cover an Area that Has a Radius of 12 M. Will the Sprinkler Water the Entire Garden? (Take π = 3.14) - CBSE Class 7 - Mathematics

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Question

A circular flower garden has an area of 314 m2. A sprinkler at the centre of the garden can cover an area that has a radius of 12 m. Will the sprinkler water the entire garden? (Take π = 3.14)

Solution

Area = πr2 = 314 m2

3.14 × r2 = 314

r2 = 100

r = 10 m

Yes, the sprinkler will water the whole garden.

  Is there an error in this question or solution?

APPEARS IN

 NCERT Solution for Mathematics for Class 7 (2018 to Current)
Chapter 11: Perimeter and Area
Ex. 11.30 | Q: 14 | Page no. 224
Solution A Circular Flower Garden Has an Area of 314 M2. a Sprinkler at the Centre of the Garden Can Cover an Area that Has a Radius of 12 M. Will the Sprinkler Water the Entire Garden? (Take π = 3.14) Concept: Circle - Area of Circle.
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