Answer:
infinite
Step-by-step explanation:
Hello!
The sum of all angle measures in a heptagon in 900°. We will subtract all of these angles from 900 to find our answer.
900-146-122-142-140-110-142=98
x=98°
I hope this helps!
Answer:
the commutative property of addition :)
Answer:
Sorry this is late!
Step-by-step explanation: