A three and a half metre long rod is to be cut into two pieces, one piece
is to be bent into a square and the other into an equilateral triangle. The
length of their sides must be the same. How should it be cut?
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Answer:
Step-by-step explanation:
LEngth of the rod = 3.5 m = 350 cm.
Length of the sides = x for square and the triangle.
Perimeter of square = 4x.
Perimeter of equilateral triangle= 3x.
7x = 350, or
x = 50 cm
The 350 cm-long rod must be cut into two pieces of 200 cm and 150 cm.
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