- with two semi-circles on both sides, it forms a full circle.
area of circle:
π * radius²
π * 2²
4π in²
area of rectangle:
length * width
20 * 4
80 in²
total area:
4π in² + 80 in²
93 in²
area of triangular prism:
( base length * perpendicular height * length ) ÷ 2
( 12.6 * 1.6 * 10.75 ) ÷ 2
216.72 ÷ 2
108.36 mm³