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Q26. If x is the radius of a circle and diameter is decreased by 2 units, then
the perimeter of the new circle so formed is given by
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Answer:
2π(x-1) units.
Step-by-step explanation:
Diameter of original Circle = 2 × x
= 2x
New Diameter = 2x-2
New Radius (r) = (2x-2)/2
= x-1
Perimeter of New Circle = 2πr
= 2×π×(x-1)
= 2π(x-1). units. Ans.
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