<1 and <2 are supplementary angles . If m<1=77,then m<2=?

Step-by-step explanation:

The sum of two supplementary angles sum up to 180°

Hence <1+<2 = 180°

Given

<1 = 77

Substitute and get <2

<1+<2 = 180

77+<2 = 180

<2 =180-77

<2 = 103°

Hence the measure of <2 is 103°

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step-by-step explanation: