Question

draw a circle of radius 4.2 cm . Draw it's diameter and measure it. ​

Answer 1

diameter is 8.4 m

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Answer 2

$\huge\mathfrak\blue{Solution:-}$

Radius = 4.2 cm

Diameter is double of radius

Diameter

= 4.2 cm x 2

= 8.4 cm

Therefore , the diameter of the circle with radius 4.2 cm is 8.4 cm .