Answer: 9^o
Explanation:
(all angles in an isoceles triangle adds up to 180 degrees) 5 x + 15 + 120 = 180 5x = 180 - 120 - 15 5 x = 45
x = 9^o
Answer:
120+5x+15+5x+15=180
10x=180-120-15-15
x=30°
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