please answer this question fast
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Answered by
2
Answer:
it's an isosceles triangle(bc is diameter)
thus b and c angles are equal
c is 30 and b also
30+30+x=180
120=x
Answered by
2
Answer:
<ABC=60DEGREE
Step-by-step explanation:
In triangle ABC,
<ACB=30 DEGREE
<BAC=90DEGREE [ ANGLE IN A SEMI CIRCLE IS ALWAYS 90]
SO,
<ABC=180-[<ACB+<BAC]
=180-[30+90]
=180-120
=60 degree
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