Answer:
<h2>41.74 m²</h2>
Step-by-step explanation:
We have:
rectangle 4.8 m × 3.8 m
two triangles with base b = 4.8 m and height h = 2.6 m
two triangle with base b = 3.8 m and height h = 2.9 m.
The formula of an area of a rectangle l × w:

Substitute:

The formula of an area of a triangle:

Substitute:

The Surface Area:

We are given
Number of person took cards =3
Average number of cards taken = 11 per person
so, we can find total number of cards
Total number of cards= (average number of cards)*(number of persons)
Total number of cards is


Fernando took 10
so,
Fernando card +other two cards =33
10 +other two cards =33
Other two cards =23..............Answer
The answer is 8.45..... you times 0.65 by 13