Matematika Jika <B = 980, <C = 1100dan <D = y. Maka nilai y = ...​

bettystoltenbergulv – March 10, 2023

Jika <B = 980, <C = 1100
dan <D = y. Maka nilai y = ...​

42°

Penjelasan dengan langkah-langkah:

<B = 98°

<C = 110°

<A= <C = 110°

<A+ <B + <C + <D = 360°

110° + 98° + 110° + y = 360°

318° + y = 360°

y = 360° - 318°

= 42°

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