WILLL GIVE A BRAINLEST PLZ HELP

Which formula would be used to find the measure of angle 1?




1/2(a° + b°).

1/2(a° – c°).

1/2(b° + c°).

1/2(a° – b°).

WILLL GIVE A BRAINLEST PLZ HELP Which formula would be used to find the measure of angle 1 12a b 12a c 12b c 12a b class=

Respuesta :

Answer:

The correct option is 4.

Step-by-step explanation:

If two cords intersect out side the circle, them the angle made by them is

[tex]\theta=\frac{1}{2}(\text{Major arc-Minor arc})[/tex]

Since angle 1 is the angle between two intersecting cords, therefore the angle 1 is

[tex]\angle 1=\frac{1}{2}(a^{\circ}-b^{\circ})[/tex]

Therefore, the correct option is 4.