100 First Words for Little Geeks

100 First Words for Little Geeks

Matematika Tolong jawab serius atau kena report​

Tolong jawab serius atau kena report​

Penjelasan dengan langkah-langkah:

<C = 180°-150° = 30°

<A - <B = 76°

<A = <B + 76°

jumlah sudut segitiga = 180°

<A+<B+<C = 180°

(<B+76) + <B + 30 = 180

2<B +106 = 180

2<B = 180-106

2<B = 74

<B = 74/2 = 37°

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