A7
B9
C6
D8
Answer:
D. 8
Read Explanation:
perimeter of circle =2πr
2πr=788
2πr=744×2
2×722r=744×2
r=2
perimeter of square with side of 2=2×(2+2)=8
A7
B9
C6
D8
Related Questions:
Which of the following is true?
a) Every trapezium is a parallelogram.
b) Every parallelogram is a square.
c) Every rectangle is a square.
d)Every square is a rhombus.
A clay cylinder of height 42 cm is converted into a cone of the same radius as that of the cylinder. If the volume of the cylinder is 52,800 cm3 , then the radius (in cm) of the cone is:(Use π =22/7)