Answer:
The area of the nonagon is 270cm²
Step-by-step explanation:
The area of a regular polygon is given by
where 'a' is the apothem and 'p' is the perimeter.
The apothem is a=6cm.
The perimeter is p=9×10=90cm.
We substitute the apothem and the perimeter to get:
Answer:
c
Step-by-step explanation:
the top pair and the middle pair
Answer:
Here is a graph of that equation.
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Answer:
C. 5
Step-by-step explanation:
first expression 5 × (9-3) = 30
second one 45 - 3x
to make it 30 = 30
x should be = 5