find the area , diameter = 13 m .
"diameter = 13 meter . radius = diameter / 2 . = 13 / 2 . = 6.5 meter . area of a circle = ï € r 2 . here , pi ( ï € ) = 3.14 meter , radius ( r ) = 6.5 area of a circle = 3.14 ã — 6.5 ã — 6.5 . = 3.14 ã — 42.25 . = 132.78 square meter answer : c"
circle_area(divide(13, const_2))