Answer:
10X + 20 +5X +25 = 180
15x=180-45
X= 135/15
X=9
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Answer:
(a): 46 degrees
(b): 63 degrees
(c): 27 degrees
(d): 60 degrees
Step-by-step explanation:
Least to greatest: 2/5, 3/5, 7/10, 3/4
(7x - 23)° + (11x + 23)° = 180°
7x - 23° + 11x + 23° = 180°
18x = 180° / : 18
x = 10°
