Answer:
9
Step-by-step explanation:
10 - 1 = 9
1, 2, 3, 4, 5, 6, 7, 8, 9, 10
if we erase 10, we have 9. Try that when subtracting 1 - any number
the first one is right and other are wrong
80
The measure of a triangle is 180.
Answer
Im telling ms dennis
