A piece of wire in the form of a rectangle of 8.9 cm long and 54 mm broad is
reshaped and bent in the form of a circle. Find the radius of the circle in mm.
Answers
Answered by
1
Answer:
the right answer is 45.5
Step-by-step explanation:
Answered by
3
Answer:
दिया है:-
आयत की लंबाई =8.9cm
आयत की चौडाई =54mm = 54÷10=5.4cm
अत:
आयत की परिधि = वृत्त की परिधि
2×(लंबाई+चौडाई) = 2 īī r
2×(8.9+5.4) = 2×22/7×r
2×14.3 = 44×r÷7
r = 2×14.3×7÷44
r = 4.55 CM Ans.
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