Answer:
c =
km
Step-by-step explanation:
Here's the required formula to find the missing side of triangle by pythagoras theorem :

a = 20 km
b = 21 km
c = ?
Substituting all the given values in the formula to find the third side of triangle :

Hence, the length of missing side of triangle is 29 km.

Answer:
17
Step-by-step explanation:
-6×-6=36
f-34=36
34+36=70
f=70
Answer:
Y= -6x + 1
Step-by-step explanation:
Y=mx + b
M is your slope
B is your y intercept