The answer for a) is 10.125 inch and b) is 2.5 inch, 1.875 inch
What is an inch?
Inch is a unit of linear measure equal to one twelfth of a foot (2.54 cm).
a) According to the question the real time length of the court is 81 ft
But from the question 1 inch in diagram is equal to 8 ft
So, 81/8=10.125
Thus the entire length of the court if it is 81 ft in real life is 10.125 inch
b) According to the question the real time length and width of receiver A is 20ft and 15ft
So, in diagram it could be in
length is 20/8 = 2.5 inch
width is 15/8 = 1.875 inch
Thus the length and width of receiver A is 2.5 inch, 1.875 inch
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