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Luas= 25x16= 400 cm2
Panjang= 25cm
Lebar= 16cm
Ditanya=
a. Keliling=.....?
b. Luas=......?
Jawab=
a. Keliling= 2 (panjang + lebar)
= 2 (25 + 16)
= 2 × 41
= 82cm
b. Luas= panjang x lebar
= 25 cm × 16 cm
= 400 cm
Semoga bermanfaat^,~