Jawaban:
1. c. 15 cm
2. d. 135 cm^2
Penjelasan dengan langkah-langkah:
1. Luas persegi panjang:
L = p × l
L = ... × 7 cm = 105 cm^2
L = 15 cm × 7 cm = 105 cm^2
2. Luas persegi panjang:
K = 2 × (p + l)
K = 2 × (15 cm + ... )
K = 2 × (15 cm + 9 cm)
K = 48 cm
L = 15 cm × 9 cm
L = 135 cm^2
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Jawaban:
1. c. 15 cm
2. d. 135 cm^2
Penjelasan dengan langkah-langkah:
1. Luas persegi panjang:
L = p × l
L = ... × 7 cm = 105 cm^2
L = 15 cm × 7 cm = 105 cm^2
2. Luas persegi panjang:
K = 2 × (p + l)
K = 2 × (15 cm + ... )
K = 2 × (15 cm + 9 cm)
K = 48 cm
L = p × l
L = 15 cm × 9 cm
L = 135 cm^2