How far is it from the house to the mall?

Answer:
15²+8²=?²
225+64=?²
289=?²
[tex]\sqrt{239}[/tex]=17 miles
Step-by-step explanation:
This uses the Pythagoras Theorem.
a²+b²=c²
c is the long diagonal side. A and B can switch with each other on the other 2 sides.