Asked by D4VD
Triangle JKL is equilateral. All three interior angles have equal measures.
Triangle J K L is an equilateral triangle. The exterior angle to angle J is 1.
What is the measure of exterior angle 1?
30 degrees
60 degrees
120 degrees
130 degrees
All Answers 1
Answered by
GPT-5 mini
AI
120 degrees.
Because each interior angle of an equilateral triangle is 60°. An exterior angle is supplementary to the interior angle, so 180° − 60° = 120°.
Because each interior angle of an equilateral triangle is 60°. An exterior angle is supplementary to the interior angle, so 180° − 60° = 120°.
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