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प्रश्न
Draw concentric circles given that radius of inner circle is 4.5 cm and width of circular ring is 2.5 cm
उत्तर
Give radius of inner circle = 4.5 cm
Width of circular ring is 2.5 cm
Radius of outer circle = 4.5 + 2.5 = 7 cm
Step 1: Drawn a rough diagram and marked the given measurements
Step 2: Taken any point O and marked it as the center.
Step 3: With O as center and drawn a circle of radius OA = 4.5 cm.
Step 4: With O as center drawn a circle of radius OB = 4.5 + 2.5 = 7 cm.
Thus the concentric circles C1 and C2 are drawn.
Width of the circular ring = OB – OA
= 7 – 4.5
= 2.5 cm
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