<h2>Question:- Area of the given diagram</h2>
<h2>Answer :- </h2>
Divide the diagram as shown in attachment.
Now first calculate the area of the rectangle having side 1 and 12
So area = length ×breadth
Area = 1× 12 = 12 unit²
Now find the Area of the remaining triangle with sides 12,13,5 units
So

Now put the value as -> base= 5 and height= 12

Now add both areas for your answer

-10 since the parentheses mean multiply and multiplying a negative with a positive gives you a negative.
The weather data below was used to create a bact stem and leaft plot

The required values are :
Length = 33 m
Breadth (width) = 30 m
solution is in attachment ~