Question

If radius is 3.5 cm then diameter is 5.5. True or False?

Answer 1

(wrong) if radius is 3.5 then diameter will be 7.
because
3.5×2=7.

Answer 2

↪False↩as diameter is 2 times the radius ..

Hence if r=3.5cm

then d=3.5×2 =7cm✔✔