Yes Whales do use their fins to swim so they can turn their bodies by tilting the fin backwards or Forwards.. Same Principal as Fins on Planes!
+++
That answers how they steer but they swim primarily by waving their tails up and down.
Fins. no it has flippers because fish have fins and a whales are not fish they're mammals
Whales swim using their fins and tails.
seahorses use their tail and fins to swim.
Fish use fins to help them swim better. If you go swimming, you will swim faster, with swim fins, instead of just feet. Fins are better for fish instead of hands.
No, they use their tails.
they use their tails to help them swin but they also use their fins to help them swim
They use their fins to power through the water
Tail , fins and body.
the are used to help it swim
hujujg
he invented swim fins for his hands
You would have to define how you are comparing them. Whales are mammals and sharks are fish. They are both top predators, they both swim in the ocean, have fins and share a lot of other things, but have a lot of differences also.