85cm²
Step-by-step explanation:
Here we are given a trapezium with base = 20cm and 14cm and height = 5cm . And we are interested in finding the area of the trapezium .
Figure :-
As we know that the area of trapezium is given by ,
Here 20cm and 14cm are parallel sides .Substitute the respective values in stated formula,
Solve the parenthesis ,
Simplify by multiplying ,
And we are done !