10-Minute Methods Memory Improvement for KIDS: Educational Success for Your Child Through Sh

10-Minute Methods Memory Improvement for KIDS: Educational Success for Your Child Through Sh

Matematika Sekolah Menengah Pertama bantu jawab matematika​

bantu jawab matematika​

Jawab:

C. 50

Penjelasan dengan langkah-langkah:

2 kali sudut keliling, sama dengan sudut pusat. maka:
3x - 10 = 2* 70

3x - 10 = 140

3x = 140 + 10

3x = 150

x = 150/3

x = 50

Jawaban c

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