Question

a goldsmith has 8.8m of gold wire with him. he has to make gold rings of 2 cm radius. how many such rings he can make with it?​

Answer 1

Answer:

Do 8.8m/2cm 4400 rings i did calculation its true

Answer 2

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Length of gold wire = 8.8 m or 880 cm

Length required to make 1 gold ring = $2 × \frac{22}{7} × 2 \\ = 12.57 cm$

No. of gold rings he can make using the wire = $880 ÷ 12.57 \\ = 70 \:rings\: approx$