Question

The circle shown below has AB and BC as its tangents.



If the measure of arc AC is 160°, what is the measure of angle ABC?

80°

40°

60°

20°

Answer 1

Can you post the image please?

Answer 2

can anyone help me with this question ?

Answer 3

the angle subtended at center by arc AC = 160
the kite formed as 1 angle = 160 and 2 = 90 degrees
so angle ABC = 369 - (90+ 90 + 160)

Answer 4

can you work that out?

Answer 5

are you there?

Answer 6

sorry i was verifying my email

Answer 7

529?

Answer 8

thats alright

Answer 9

work out whats in the parentheses first:
360 -(90+90+160)
= 360 - 340
= 20

Answer 10

so the answer is 20?