Question

GEOMETRY URGENT HELP NEEDED

Answer 1

First we find the measurement of dark dot .

ANd for that we have to use the formula of the angle formed by the intersection of chord .

Let the dark dot be t.

So we have

`t =(1)/(2) (96+66)=81`

t and z are linear pair and sum of angles of linear pair =180 degree.

So we get

`image`