calculate area/perimeter
a) calculate the the perimeter/circumference of the trapezoid
b) calculate the area of the trapezoid
answer:
a) answer perimeter
P = a + b + c + d
P = 26 + 18 + 9 + 14
P = 67 cm
A: The perimeter of the trapezoid is 67 cm.
b) answer area
A = (a + c) * h : 2
A = (26 + 9) * 12 : 2
A = 210 cm²
A: The area of the trapezoid is 210 square centimeters.