Mathematics, 02.03.2020 20:41, crysderria

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°).

-Answer-
D. 1/2(a° – b°).

Which formula would be used to find the measure of angle 1?1/2(a° + b°). 1/2(a° – c°). 1/2(b° + c°).

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

1/2(a° + b°).

1/2...