TOLONG YA INI SUDAH MAU DIKUMPULKAN
Jawaban:
6.
46 + (a + 29) + (5a + 15) = 180
46 + 29 + 15 + a + 5a = 180
90 + 6a = 180
6a = 180 - 90
6a = 90
a = 90/6
a = 15
SQT = a + 29 = 15 + 29 = 44
TQR = 5a + 15 = 5x15 + 15 = 90
7.
18:00 = 180°
8.
08:00 = 240°
9.
16:00 = 120°
10.
21:00 = 270°
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