Question

The radius of the circular bottom of the glass is 3.5 cm. Find the area of its bottom surface.​

Answer 1

Answer:

Answer will be 38.5cm

Step-by-step explanation :

as the formula of finding the area of circle is  

so value of  is 22/7

so the radius is 3.5cm

so 22/7 x 3.5 x 3.5

so 3.5 x 2 = 7

so 3.5 will be cut and instead of 7 2 will came

and 2 will cut 22 and instead of 22,  11 will come

and the 11 x 3.5

= 38.5 cm

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