problem: trapezoid area and perimeter
shape of trapezoid: a = 47 m, b = 26 m, c = 22 m, d = 19 m, h = 21 m
calculate: area and perimeter
answer: trapezoid area and perimeter
a) area:
area: A = (a + c) • h
2
area: A = (47 + 22) • 21
2
area (A) = 724,5 m²
answer: The area of the trapezoid is 724,5 m².
b) perimeter
perimeter: p = a + b + c + d
perimeter: p = 47 m + 26 m + 22 m + 19 m
perimeter (p) = 114 m
answer: The perimeter of the trapezoid is 114 m