<span>Yes
△RWS ~ △QWT
----------------------</span>
Your answer will be , 18. there were two houses each invited 9. 9x2 =18.
Answer:
Isosceles triangles are triangles in which two sides and angles are equal to each other. Equilateral triangles are triangles in which all of the sides are the same.
Step-by-step explanation:
Shown above.