I would tell you how to do it but its a very hard thing to explain
The internal angle sum of a quadrilateral is :
C. 360°
The sum of internal angles of a polygon is determined by a formula :

where n represents number of sides.
In a quadrilateral there are four sides,
So, plugging 4 in the formula :
_____________________________

200/5 = 40 miles per inch. 40x7=280 actual miles.
Answer:
$288
Step-by-step explanation:
hope this helps
A^2+ b^2= c^2
24^2+b^2=25^2
576+b^2=625
Sub 576
b^2= 49 b=7