<1 and <2 are vertical angles. If m<1=63 and m<2=4x-9 what is the value of 9.

Answer 1

<1 = <2 = 4x-9 = 63o.
4x-9 = 63
4x = 63+9 = 72
X = 18o.

The value of 9 is 9.