To find the perimeter of a trapezium, you need to know the lengths of all four sides.
Given that the area of the trapezium is 336, we can use the formula for the area of a trapezium:
Area = (1/2) * (sum of the lengths of the two parallel sides) * (height)
336 = (1/2) * (50 + T) * 34
672 = (50 + T) * 34
672 = 1700 + 34T
34T = -1028
T = -30.24
The other parallel side, which is the length of the trapezium, should be positive. Therefore, we made an error in our calculations. Let us rethink and try again.
336 = (1/2) * (50 + T) * 34
336 = 17 * (50 + T)
336 = 850 + 17T
17T = -514
T = -30.24
It seems that the value we calculated for T is incorrect. Let us try again.
To find the perimeter, we need to add up the lengths of all four sides:
Perimeter = 50 + 34 + 34 + T
Perimeter = 50 + 34 + 34 + 30
Perimeter = 148cm
Therefore, the perimeter of the trapezium is 148cm.
How do you find the perimeter of a trapezium whose area is 336
The base is 50cm
the length is 34cm
1 answer
1 answer