Question

O is the center of the circle. Assume that lines that appear to be tangent are tangent. What is the value of x?
a) 314 b) 78.5 c) 23 d)337

Answer 1

how do you get that ? I got 23?

Answer 2

23 is correct

Answer 3

sum of the angles in a qudrilateral is 360

Answer 4

i don't have the answer

Answer 5

23 is right

Answer 6

The angles formed by a tangent and the radius of a circle is 90°. So if you see that there are 2, 90° and one 157°. Sum of angles in a quadrilateral is 360° = 90 + 90 + 157 + x. Solve you get x = 23

@ashwinjohn3 you are confusing with the relationship between central angle and inscribed angle. Angle x is not inscribed

Answer 7

\[x = \frac{1}{2}(outer Arc - innerArc)\]

Answer 8

what?