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Answer:
180-30=150=measure of two equal Anges
angA=150/2
=75
Step-by-step explanation:
1=75
2=75
3=105
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3
Step-by-step explanation:
Let the equal angles be x°
Third angle = ( x + 30 )°
By ASP of ∆, we have-
=> x° + x° + ( x + 30 )° = 180°
=> x° + x° + x° + 30° = 180°
=> 3x° + 30° = 180°
=> 3x° = 180° - 30°
=> 3x° = 150°
=> x° = 150°/3
=> x° = 50°
Hence,
first angle = second angle = x° = 50°
third angle = ( x + 30 ) ° = ( 50 + 30 )° = 80°
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