Mean - 7
median - 8
range - 8
mode - 3
What figure?? Please elaborate
Answer:
5
Step-by-step explanation:
Hi, there!
_____
To find the missing side length of this triangle (which is a <em>right</em> triangle), we'll use Pythagoras' Theorem.

Here,

Hypotenuse (the longest side): c
We know that

So, we can substitute our parameters, and solve for c.
square 2 and 28
add the numbers
square root both sides

Hope the answer - and explanation - made sense,
happy studying!!