Answer:
Hope this helps :)
Step-by-step explanation:
Hey there!
ANSWER: <u>vertex</u>
<h2>
EXPLANATION:</h2>
Fill in the blank:
The endpoint is the <u>vertex</u> of the angle.
This is your answer because an angle is formed by two rays which are the sides of an angle and they have an endpoint called the vertex.
Hope this helps!

Answer:
12 units
Step-by-step explanation:
Because the two triangles are similar:

Hope this helps!
Answer:
take away the 15 because you can't multiply a diagonal so 12x18=216 reduce it by the 15 would be the first one sir
Step-by-step explanation: