Tolng jawab nomor 1 sampai 5plizzzeeeeeeee​

1. Menentukan keliling persegi panjang

A. panjang = 46 cm

Lebar = 23 cm

Keliling

= 2 × (panjang + lebar)

= 2 × (46 + 23)

= 2 × 69

= 138 cm

B. panjang = 37 cm

Lebar = 13 cm

Keliling

= 2 × (panjang + lebar)

= 2 × (37 + 13)

= 2 × 50

= 100 cm

C. panjang = 40 cm

Lebar = 25 cm

Keliling

= 2 × (panjang + lebar)

= 2 × (40 + 25)

= 2 × 65

= 130 cm

Maaf cuma bisa bantu segini