∠1 and ∠2 are supplementary angles. ∠1 and ∠3 are vertical angles. If m ∠2=72 degrees, then find m ∠3

m<3 = 108

Step-by-step explanation:

Since <1 and <2 are supplementary, the equation is:

<1 + <2 = 180

Since <1 and <3 are vertical angles. the equation is:

<1 = <3

To find m<3:

<2 + <3 = 180

72 + <3 = 180

<3 = 180 - 72

<3 = 108

∠3 = 108°

Step-by-step explanation:

∠1 + ∠2 = 180°

∠2 = 72°

∠1 = 180° - 72° = 108°

∠1 = ∠3

∠3 = 108°

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step-by-step explanation:

answer: 1475

step-by-step explanation:

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