cyruskhaing11 cyruskhaing11

11-07-2022
Mathematics

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ABC is a triangle. ACD is an isosceles triangle. Find ACB and ABC.

ABC is a triangle ACD is an isosceles triangle Find ACB and ABC class=

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Medunno13 Medunno13

11-07-2022

Answer:

∠ ACB = 128° and ∠ABC = 32°

Step-by-step explanation:

∠ ADC = ∠ CAD (base angles theorem)

∠ ACD = 82° (angles in a triangle add to 180°)

∠ ACB = 128° (angles around a point add to 360°)

∠ ABC = 32° (angles in a triangle add to 180°)

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