Answer:
c=42
s=30
Step-by-step explanation:
Answer:


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Hope it helps...
Have a great day!!
Answer:
They meet a line. Therefore, if two planes cut one another, then their intersection is a straight line.
Step-by-step explanation:
Since one side is 40°, you subtract that from 180.
180° - 40°= 140°.
So therefore your missing side lengths are 140, 40, and 140.
hopefully this helps
I’m not sure if it’s add or multiple the sides of each I don’t know if this even helped lol