Two angles in a linear pair are of measures (a+30)° and (4a)°. Find the value of a.
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Answered by
3
Answer:
as the angles are linear pair so,
a+30°+4a=180°
=> 5a=180°-40°
=> 5a=140°
=> a=140°/5
=> a=28°
so,value of a is 28°
Answered by
2
Answer:
a =30
Step-by-step explanation:
a+30+4a=180,5a+30=180,180-30=5a, 150=5a,a=30
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