Mathematics, 18.12.2019 04:31 kksavage36

Suppose δabc has an exterior angle at vertex b. the exterior angle is (12x−24)º, m∠a=(3x−6)°, and m∠c=(6x+12)°. what is the measure of the exterior angle at vertex b?

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Suppose δabc has an exterior angle at vertex b. the exterior angle is (12x−24)º, m∠a=(3x−6)°, and m∠...