The area of a regular polygon with given side length and apothem is:
A = <span>½nsr
where
n = number of sides
s = side length
r = apothem
Since decagon has n = 10, hence
A = </span><span>½(10)(20)(10) = 1000 square units (ANSWER)</span><span>
</span>
Answer:
about 3.6
Step-by-step explanation:
pythagorean theorem
sqrt 13
4.3. It is a repeating decimal.
-6 x -8= 48 because a negative times a negative is a positive number
