Use the Pythagoras' Theorem:
A^2 + B^2 = C^2
20^2 + 35^2 = C^2
400+ 1225=1625=C^2
square root of 1625= C = 40.31 km
 
        
                    
             
        
        
        
I can’t see the graph so well
        
                    
             
        
        
        
Answer:
Random
Step-by-step explanation:
 
        
             
        
        
        
Answer:
<h2>P = 60</h2>
Step-by-step explanation:
The formula of a distance between two points:

X(-3, -6), Y(21, -6). Substitute:

X(-3, -6), Z(21, 4). Substitute:

Y(21, -6), Z(21, 4). Substitute:

The perimeter of the triangle XYZ:

Substitute:

 
        
             
        
        
        
(k+1)x-(2k+3)y-3k-5=0
kx + x - 2ky - 3y - 3k - 5 = 0
(x - 2y) k + (x - 3y) = 3k + 5
therefore
x - 2y = 3
x - 3y = 5
Subtract 2 equations
y = -2
x = -1