The person below/above got the correct answer
Arrange the data in ascending order and the median is the middle value. If the number of values is an even number, the median will be the average of the two middle numbers.
11.5 is the median in 3,9,10,13,14,15
Hope this helps! (●ˇ∀ˇ●)
Area of a Triangle: (Base * Height)/2
= (13 * 4)/2
= 52/2
= 26.
So, in conclusion the answer to this question is: answer D. 26 square units.
The standard form of a circle:

Where:
(h; k) - the coordinates of a centerr - the radius
We have:

therefore

- the center

- the radius
Answer: 11