Please help with 17 and 18
1 answer:
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Answer:
15.9 centimeters
Step-by-step explanation:
the information we have is:
Perimeter:
Number of sides of the polygon:
since each side has equal length, we can use the following equation to find the measure of one side of the polygon, the equation for perimeter:
where n is the number of sides and is the length of each side.
So we clear for and we get:
and subtituting the known values:
each side is 15.6 centimeters long
Answer:
31
Step-by-step explanation:
First of,
or, in probability is subtraction and not means you shouldn't use green (therefore leaving you with yellow and red)
Red = 42
Yellow = 20
P(Yellow or Not Green) =
⁘ =
Hence, 31