Please answer and no links please and thank you.

Answer:
286 mm²
Step-by-step explanation:
A trapezium is given with ,
The area is given by :-
[tex]:\implies[/tex] Area = 1/2 ( b₁ + b ₂) × h
[tex]:\implies[/tex] Area = 1/2 ( 24 + 28)×11 mm²
[tex]:\implies[/tex]Area = 1/2 × 52× 11mm²
[tex]:\implies[/tex] Area = 286 mm²