Jawaban:
Penjelasan dengan langkah-langkah:
Cara jadul :
Keliling = 25 + 15 + (15 – 5) + 5 + (25 – 17) + 17
Keliling = 25 + 15 + 10 + 5 + 8 + 17
Keliling = 40 + 15 + 25
Keliling = 55 + 25
cara milenial :
Keliling = 2 × (25 + 15)
Keliling = 2 × 40
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Jawaban:
D. 80 cm
Penjelasan dengan langkah-langkah:
Cara jadul :
Keliling = 25 + 15 + (15 – 5) + 5 + (25 – 17) + 17
Keliling = 25 + 15 + 10 + 5 + 8 + 17
Keliling = 40 + 15 + 25
Keliling = 55 + 25
Keliling = 80 cm
cara milenial :
Keliling = 2 × (25 + 15)
Keliling = 2 × 40
Keliling = 80 cm