Isosceles - Has at least two equal sides. (B)
Obtuse Triangle - Must have an obtuse angle. (D)
Equilateral Triangle - All sides should be equal. (Missing an answer?)
Right Triangle -Must include a 90 degree angle. (A)
Scalene Triangle - Has NO equal sides. (C)
Tell me if this helped.
        
             
        
        
        
Please elaborate on this so that I can help you.
        
             
        
        
        
Answer:
The answer is " "
"
Step-by-step explanation:
For point 1:
 
For point 2:
 
Adding  equation and  multiply by 2 in the equation
 equation and  multiply by 2 in the equation  so we get
 so we get  
 
        
             
        
        
        
height or altitude for a parallelogram means the perpendicular distance from one parallel side to the other.  Check the picture below.
 
        
             
        
        
        
Answer:
b= (Z-m-z)/(x)
Step-by-step explanation:
Z-m=z+bx
Z-m-z=bx [Transpose z of R.H.S to L.H.S] / [Substract z from L.H.S and R.H.S]
(Z-m-z)/(x)=b [Divide by x on both sides i.e, L.H.S and R.H.S]
b= (Z-m-z)/(x)
Hope this helps you.