A decagon has 10 sides therefore it has 10 interior angles
As of 7 being one side, subtract it with the whole...
When you subtract you get 10
Divide by 2 (or subtract 5)
So the two other sides of the triangle is 5m
The expression is 14x + 4. it’s a rectangle, so the opposite sides are congruent and they have the same value.
Answer:
27 antes de cristo
Step-by-step explanation: