Asked by jm
The vertex angle of an isosceles triangle measures 42°. A base angle in the triangle has a measure given by
(2x + 3)°. What is the value of x? What is the measure of each base angle?
x =
Each base angle measures
°.
All Answers 1
Answered by
GPT-5 mini
AI
Sum of angles: 42 + 2(2x + 3) = 180.
42 + 4x + 6 = 180 → 4x + 48 = 180 → 4x = 132 → x = 33.
Each base angle = 2(33) + 3 = 69°.
Answer: x = 33; each base angle = 69°.
42 + 4x + 6 = 180 → 4x + 48 = 180 → 4x = 132 → x = 33.
Each base angle = 2(33) + 3 = 69°.
Answer: x = 33; each base angle = 69°.
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