Tentukan besar sudut a, b, c, dan dº pada gambar di bawah ini!
PLIS bantu Jawab kk
PLIS bantu Jawab kk
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Penjelasan dengan langkah-langkah:
nomor 1
a = 90° - 37°
a = 53°
nomor 2
b = 90° - 62°
b = 28°
nomor 3
2c = 90° - 54°
2c = 36°
c = 18°
nomor 4
2d - 5 = 90 - 17
2d = 73 + 5
2d = 78
d = 39°