The length of a rectangle is 4cm more than the width and the perimeter is 48cm. What is the width?
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Answer:
In the given composite figure:
Labelled the figure:
In a square ABCD figure:
Each side is of 18 m each
Area of a square is given by:
Then;
Now, In right angle triangle CEF:
Area of a right angle triangle is given by:
In a a triangle CEF:
Base = CE = 8 m and Height = CF = 16 m
then;
Similarly in triangle DCF:-
Base = CD = 18 m
Height = CF = 16 m
then;
Thus:
area of composite figure =Area of square ABCD + Area of triangle CEF + Area of triangle DCF
Area of this composite figure= 324 +64+144 = 532 square meter.
Therefore, area of this figure is 532 meter square.
Answer:
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