২৯২৫৩
If the difference between the circumference and diameter of a circle is 60 cm , then the radious of the circle is-
উত্তর
14 cm
২৯২৫৮
A triangular plot with sides of 25 feet, 40 feet and 55 feet is to be surrounded by a fence built on pillars set 5 apart. How many pillars will be required to surround the plot.
উত্তর
24