sloane50
24.04.2020 •
Mathematics
What is the value of a° in the figure shown below?
Select one:
A. 15o
B. 18o
C. 22o
D. 30o
E. 45o
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Ответ:
B) a = 18°
Step-by-step explanation:
Sum of all angles of the triangle = 180°
a + 3a + 6a = 180
10a = 180
a = 180/10
a = 18°
Ответ:
2 * 2 * 2 * 2 * 3 = 48.