Answer: C.

Explanation:
The area of trapezoid is given by :-
, where a and b area the bases and h is height of the trapezoid.
Given: The length of the bases are 9.2 cm and 7.7 cm.
The height of the trapezoid = 6.8 cm
Now, the area of a trapezoid will be:-

Hence, the area of a trapezoid =
