Are platyhellmintes and annelids segmented? Are the organisms of platyhelminthes unsegmented worms or segment? And what about those belonging to annelida? I guess Platyhelminthes are unsegmented and annelida are segmented but i am not sure about it?

Here are the first sentences from the wikipedia articles for platyheminthes,%20helminth-,%20meaning%20%22worm%22\)\[2\]%20are%20a%20phylum%20of%20relatively%20simple%20bilaterian,%20unsegmented,%20soft-bodied%20invertebrates.) and annelids:

> The **flatworms** , or Platyhelminthes, Plathelminthes, or platyhelminths (from the Greek πλατύ, platy, meaning "flat" and ἕλμινς (root: ἑλμινθ-), helminth-, meaning "worm")2 are a phylum of relatively simple bilaterian, **unsegmented** , soft-bodied invertebrates.
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> The **annelids** (Annelida, from Latin anellus, "little ring"),2[n 1] also known as the ringed worms or **segmented** worms, are a large phylum, with over 17,000 extant species including ragworms, earthworms, and leeches.