1.

If the area of a circle is 497 sq.units then its perimeter is(A)7units(B) 9 units(C)14 n units(D) 49 units

Answer»

answer is 7pie units

option c 14 pie units

Area of circle is 49 pie sq. unitTo find perimeter of circleSolu- pie (r) 2=49 pieBoth pie are cancelNow (r) 2=49r=7Perimeter =2 pie r2 pie 7=14 pie ANS



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