Matematika Nilai y = .........................​

monroebogisichulv – March 09, 2023

Nilai y = .........................​

30° + 100° + y = 180°

130° + y = 180°

y = 180° - 130°

y = 70°

..

100° + 5x + 3x = 180°

100° + 8x = 180°

8x = 180° - 100°

8x = 80°

x = 80°/8

x = 10°

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