Question

(x, 105°) are vertically opposite angles. The measure of x is _____​

Answer 1

Angles a° and c° are also vertically opposite angles, so must be equal, which means they are 140° each. Answer: a = 140°, b = 40° and c = 140°. Note: They are also called Vertical Angles, which is just another way of saying the same thing.

Answer 2

Answer:

: The sum of the measures of supplementary anglesis 180º.

(i) 105° .

(i) Since ∠x and ∠55° are vertically opposite angles,. ∠x = 55°.