1000 Days on the River Kwai: The Secret Diary of a British Camp Commandant

1000 Days on the River Kwai: The Secret Diary of a British Camp Commandant

Matematika Quiz

1.) 90² × 2 = ...
( Cara bersusun, gada report )!

2.) Keliling = 72 Cm
Panjang = 15 Cm
Lebar persegi panjang tersebut adalah = ... Cm

3.) Sisi = 20 Cm
Luas dan keliling persegi = ...

Quiz

1.) 90² × 2 = ...
( Cara bersusun, gada report )!

2.) Keliling = 72 Cm
Panjang = 15 Cm
Lebar persegi panjang tersebut adalah = ... Cm

3.) Sisi = 20 Cm
Luas dan keliling persegi = ...

Nomor satu

90² × 2

90 × 90 × 2

8.100 × 2

16.200

________________

Nomor Dua

K = 2 × ( p + l )

72 = 2 × ( 15 + l )

72 = 30 + 2l

72 - 30 = 2l

42 = 2l

l = 42/2

l = 21 cm

________________

Nomor Tiga

Luas

sisi × sisi

20 × 20

400 cm²

Keliling

4 × sisi

4 × 20

80 cm

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90² × 2

(90 × 90) × 2

8.100 × 2

= 16.200

K = 2 × (P + L)

K = 2 × (15 + l)

2L = K - P

2L = 72 - 15

2L = 57

L = 57/2

L = 28,5

L = S × S

L = 20 × 20

L = 400 cm²

K = 4 × S

K = 4 × 20

K = 80 cm

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