Matematika Sekolah Dasar plis banggg :) . ......​

laishaeffertzulv – March 07, 2023

plis banggg :) . ......​

n° + 2n° = 90°

3n° = 90°

n = 90°/3

n = 30°

[tex] \: [/tex]

60° + 3y + 42° = 180°

102° + 3y = 180°

3y = 180° - 102°

3y = 78°

y = 78°/3

y = 26°

[tex] \: [/tex]

<B2 + <B3 = 180°

80° + <B3 = 180°

<B3 = 180° - 80°

<B3 = 100°

[answer.2.content]