3× 100 - 2× 80 = 300- 160 = 140
Answer:
angles substended at centre is twice the angle substended by arc at circle
y = 200/2 =100
X = 160/2= 80
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3× 100 - 2× 80 = 300- 160 = 140
Answer:
angles substended at centre is twice the angle substended by arc at circle
y = 200/2 =100
X = 160/2= 80