Question

AB&AC r tangent 2 d circle with centre osuch that 14 years ago

Answer 1

140

Answer 2

how?

Answer 3

ABOC forms a quadrilateral. 2 of the angles are 90. sum of the rest is 180. one is 40. so, the other is 140

Answer 4

SEE THE ATTACHMENT

Answer 5

y u divide 40 with 2

Answer 6

because tangent properties tell you that you can divide the angle by 2when you join the angle point to the centre

Answer 7

thanks

Answer 8

plz answer my next question

Answer 9

90+90=180+20=200-180=20????????????

Answer 10

then hw its 140

Answer 11

thanks bt i m still confuse????????