1. 1 jam + 20 menit = .... sekon 1 1 m = ..... cm

Question

Matematika Diposting : 2017-09-05 Diupdate : 2019-09-23 Sella130305

Pertanyaan

1. 1 jam + 20 menit = .... sekon
1 1 m = ..... cm

Answer 1

1 jam = 3600 s
1 menit = 60 s 20 menit =20 × 60 = 1200 s
3600 + 1200 = 4800 s
11m = 1100 cm

Answer 2

1.1 jam = 90 mnt

(90 mnt +20mnt) x 60 = 5400 sekon

11 x 1000 = 11000 cm