Question

how does a rotary engine function?

a. a triangular rotor rotates inside an oval housing.

b. an oval rotor rotates in a circular cylinder housing.

c. a triangular rotor rotates in a circular housing.

d. an oval rotor rotates in a triangular cylinder housing.

Explanation:

A rotary engine has a triangular rotor that rotates in an oval - shaped housing.

Answer:

A. A triangular rotor rotates inside an oval housing.