context: One thing that is unique, Megatron is able to make his body size smaller when he turns into a gun. So that the gun can be held by other Decepticons or even humans. Megatron's actual height is around 10 meters. But he can turn into a gun that can be held and held by humans. He can also maintain his body shape in the original size (in the episode Dinobot S.O.S), and attach it to the bottom of the Starscream jet mode.
question: how tall is Megatron?
answers.text: 10 meters