梯形是至少有一对边平行,其他两条边可以不平行的四边形。平行边称为梯形的底,其他两条边称为梯形的腿。平行边之间的垂直距离称为梯形的高。
公式 :
梯形面积: 0.5 * (a + b) * h
梯形周长: a + b + c + d
例子:
输入:a = 5,b = 6,c = 4,d = 3,h = 8
输出: 梯形面积:44
梯形周长:18
输入:a = 10,b = 15,c = 14,d = 11,h = 21
输出: 梯形面积:262.5
梯形周长:50
以下是上述公式的实现:
# Python3 code to find area
# and perimeter of trapezium
# Function to calculate
# Area of trapezium
def areaTrapezium (a, b, h):
return (1.0 / 2 * (a + b) * h)
# Function to calculate
# perimeter of trapezium
def perimeterTrapezium (a, b, c, d):
return (a + b + c + d)
# Driver function
a = 5
b = 15
c = 11
d = 4
h = 20
print("Area of Trapezium =",
areaTrapezium(a, b, h))
print("Perimeter of Trapezium =",
perimeterTrapezium(a, b, c, d))
# This code is contributed by "Sharad_Bhardwaj"
输出:
梯形面积 = 200
梯形周长 = 35
时间复杂度:O(1)
空间复杂度:O(1)
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