Answer:
13.08
Step-by-step explanation:
Its the closest
Answer:

Step-by-step explanation:
Let the total amount be x
Let's solve now

hope this helps you.
Answer:
56 because a triangle is always 90 degrees so 90 minus 22 plus 12 equals 56
Step-by-step explanation:
Answer:
Ext=2x
Int=7x
Int+ext=180
2x+7x=180
9x=180
x=20
Ext=2×20=40
No of sides =360/40
=9 sides.
I hope this helped you
Step-by-step explanation:
Answer:
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