100 Property Investment Tips: Learn from the experts and accelerate your success

100 Property Investment Tips: Learn from the experts and accelerate your success

Matematika tolong jawab ya
1.Keliling persegi panjang 48 cm dan panjang 15 cm lebar persegi panjang...cm​

tolong jawab ya
1.Keliling persegi panjang 48 cm dan panjang 15 cm lebar persegi panjang...cm​

Penjelasan dengan langkah-langkah:

k = 2p + 2l

48 = 2.15 + 2l

48 = 30 + 2l

48 - 30 = 2l

18 = 2l

l = 18/2

l = 9 cm

lebar persegi panjang 9 cm

Langkah Penyelesaian :

l = (k ÷ 2) - p

l = (48 ÷ 2) - 15

l = 24 - 15

l = 9 cm

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