Answer:
55
Step-by-step explanation:
Look,
1=11
2=22
3=33
4=44
5=55
You could also just do 5*11=55
A polygon is regular when all angles are equal and all sides are equal (otherwise it is "irregular"). This is a regular pentagon (a 5-sided polygon)
first of all arrange this data from ascending to descending order.
11,15,15,15,16,17,18,19,20,22,23
use formula
N+1/4 (N means no of observations)
11+1/4
12/4
3 rd term
therefore Q1=15
negative three and negative 4 :)
x=3; x=-3; x=√5; x=-√5
