The
radius
of
a
circle
is
1cm.What
is
its


area?

October 12, 2021

By Jade

2 thoughts on “The<br /> radius<br /> of<br /> a<br /> circle<br /> is<br /> 1cm.What<br /> is<br /> its<br /><br /><br />area?<br /><br”

1. Answer:

   πcm² is your correct answer

   Reply

2. SOLUTION

   TO CHOOSE THE CORRECT OPTION

   The radius of a circle is 1 cm . What is its area

   (a) π cm

   (b) π cm²

   (c) 2π cm

   (d) 2π² cm²

   CONCEPT TO BE IMPLEMENTED

   If radius of a circle is r unit

   Then area of the circle is = πr² unit²

   EVALUATION

   Here it is given that the radius of a circle is 1 cm

   So r = 1

   Hence the area of the circle

   [tex] \sf{ = \pi \times {(1)}^{2} \: \: {cm}^{2} }[/tex]

   [tex] \sf{ = \pi \: \: {cm}^{2} }[/tex]

   FINAL ANSWER

   Hence the correct option is (b) π cm²

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