Question

what he said is true (relative clause)​

Answer 1

here your answer

A relative clause is one kind of dependent clause. ... It is sometimes called an “adjective clause” because it functions like an adjective—it gives more information about a noun. A relative clause always begins with a “relative pronoun,” which substitutes for a noun, a noun phrase, or a pronoun when sentences are combined.

Answer 2

Explanation:

he.said.this.,this.was.true