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tolong yaa secepatnya​

Berikut ini adalah pertanyaan dari tsamaraalya02 pada mata pelajaran Matematika untuk jenjang Sekolah Menengah Pertama

Tolong yaa secepatnya​
tolong yaa secepatnya​

Jawaban dan Penjelasan

Berikut ini adalah pilihan jawaban terbaik dari pertanyaan diatas.

1) Kita tahu bahwa 1 putaran sudut = 360°, maka

a). 2a + 3a + 4a = 360

9a = 360

a = 360/9

a = 40°

b). 6a + 90 + 3a + 90 = 360

9a + 180 = 360

9a = 360 - 180

9a = 180

a = 180/9

a = 20°

2) Sudut lurus = 180°

Sudut ABC = 180°

a). ABE + EBD + DBC = 180

90 + 2p + 36 = 180

2p + 126 = 180

2p = 180 - 126

2p = 54

p = 54/2

p = 27°

b). ABD = ABE + EBD

= 90 + 2p

= 90 + 2(27)

= 90 + 54

= 144°

c). 180 - ABD

= 180 - 144

= 36°

Semoga membantu, jika ada yang perlu ditanyakan tulis di kolom komentar ya

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Semoga dengan pertanyaan yang sudah terjawab oleh IAblitz dapat membantu memudahkan mengerjakan soal, tugas dan PR sekolah kalian.

Apabila terdapat kesalahan dalam mengerjakan soal, silahkan koreksi jawaban dengan mengirimkan email ke yomemimo.com melalui halaman Contact

Last Update: Sun, 04 Jun 23
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