The total length is 33 5/8 inches
What is length?
This is the dimension representing the relation between two points. In geometry it defines the side of a figure say rectangle.
One dimensional figures has only length while two dimensions figures has both length and width
Given data
L1 = 12 1/2 inches
L2 = 18 3/4 inches
L3 = 7 3/8 inches
total length of the board L is gotten by adding up all the lengths
L = L1 + L2 + L3
L =12 1/2 + 18 3/4 + 7 3/8
L = 33 5/8 inches
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