101 Whiskies to Try Before You Die (Revised & Updated)

101 Whiskies to Try Before You Die (Revised & Updated)

Matematika Sekolah Menengah Pertama tolong kak bantuan nya​

tolong kak bantuan nya​

Jawaban:

A. 32 cm

Penjelasan dengan langkah-langkah:

  • Tentukan nilai x

AB = BC

x + 6 = 3x + 2

x - 3x = 2 - 6

-2x = -4

x = 2

  • Panjang sisi persegi

s = x + 6

s = 2 + 6

s = 8 cm

  • Keliling persegi

K = 4s

K = 4 × 8

K = 32 cm

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