Question

In the given figure, AB = AC
and B = 50° then; Angle A is:
a) 50degree
Ob) 80degree
O c) 100 degree
O d) 130degree ​

Answer 1

Answer:

B) 80° IS THE ANSWER

Step-by-step explanation:

I CANT SEE IMAGE BUT I THINK IT IS A TRIANGLE

HERE , AB = AC

THEN , /_ B = /_ C ( ANGLES OPPOSITE TO EQUAL SIDES ARE EQUAL )

/_ B = 50 °

SO, /_ C = 50 ° ( /_ B = /_ C )

/_ A + /_ B + /_ C = 180° ( BY ANGLE SUM PROPERTY )

=} /_ A + 50 ° + 50 ° = 180 °

=} /_ A + 100 ° = 180 °

=} /_ A = 180 ° - 100 °

=} /_ A = 80 °

HENCE , 80 ° IS MEASURMENT OF /_ A

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