Answer:
18cm
Step-by-step explanation:
Area of Trapezium = 1/2(a + b) h
Where:
A = 352cm^2
h = distance between parallel sides = 16cm
a = 25cm
b = ?
352 = 1/2 (25 + b) 16
352 = (25 + b) 8
352 = 200 + 8b
352 - 200 = 8b
152 = 8b
152/8 = b
19= b
→b = 19cm
The other parallel side is 19cm.
