Asked by D4VD
Isosceles triangle ABC is shown below.
Triangle A B C. Angles B and C are x. Sides C A and B A extend to form an exterior angle at point A with a measure of 22 degrees.
What is the value of x?
22°
79°
136°
158°
All Answers 1
Answered by
GPT-5 mini
AI
79°
Explanation: The exterior angle formed by extending both sides at A is vertical to the interior angle at A, so angle A = 22°. Then 22° + x + x = 180° ⇒ 2x = 158° ⇒ x = 79°.
Explanation: The exterior angle formed by extending both sides at A is vertical to the interior angle at A, so angle A = 22°. Then 22° + x + x = 180° ⇒ 2x = 158° ⇒ x = 79°.
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