Question

These are two angles that add up to 180° that share a common vertex.

Answer 1

Step-by-step explanation:

This are adjacent supplementary angles

The sum of two adjacent supplementary angles gives 180°.

Two angles that add up to 180° that share a common vertex are ADJACENT SUPPLEMENTARY ANGLES.

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Answer 2

Adjacent supplementary angles

Step-by-step explanation:

Two angles are supplementary when they add up to 180⁰. Two angles are adjacent supplementary angles if:

• they have a common side
• they have a common vertex
• they don't overlap