Answer:
Step-by-step explanation:
m∠JXM + m∠NXP = 180° - m∠MXN = 90° 
 
        
             
        
        
        
Answer:
277°
Step-by-step explanation:
The measure of arc AEG = AB + BE + EF + FG
The central angle is congruent to the arc that subtends it
∠ ECB = 180° - 44° = 136° ( adjacent angles )
∠ECF = ∠ ACB = 44° ( vertical angles ), thus
AEG = 44° + 136° + 44° + 53° = 277°
 
        
             
        
        
        
Answer: 
β = 140   - α
we know that the "missing" angle is 40° since 40 + 140 = 180
we also know that the total sum of angles in a triangle is 180
so  β = 180 - 40 - α
or β = 140   - α
Step-by-step explanation:
 
        
             
        
        
        
M= 20 because the rate of change is -3.
        
                    
             
        
        
        
A² + b² = c²
a² = c² - b²
a² = 9² - 6²
a² = 81 - 36
a² = 45
a = √45
a ≈ 6.7082
a = 6.7