Question

The two angles measuring (300−a) and (1250+2a) are supplementary to each

other, then the value of ′ a ′ is:​

Answer 1

Answer:

250

Step-by-step explanation:

∴(30−a)  

∘

+(1250+2a)  

∘

=180  

∘

 

⇒a+155  

∘

=180  

∘

 

⇒a=180  

∘

−155  

∘

=250

∘

Answer 2

Friend, the angles will be (30-a) not (300-a) and (125+2a) not (1250+2a), doing like this, answer was not coming

Answer:

'a' is 25

Step-by-step explanation:

ATQ,

=> (30-a)°+(125+2a)° = 180° (Supplementary Angle)

=> 30-a+125+2a = 180°

=> 30+125+2a-a = 180°

=> 155+a = 180°

=> a = 180-155

=> a = 25

The value of 'a' is 25

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