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PERSEGIPANJANG

PERSEGIPANJANG. Contoh Diketahui Panjang = 15 cm Lebar = 10 cm Tentukan Luasnya ? Jawab L = p x l = 15 cm x 10 cm = 150 cm2. LUAS = PANJANG X LEBAR. l ebar Panjang. persegi. Luas = sisi x sisi. CONTOH Diketahui

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PERSEGIPANJANG

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  1. PERSEGIPANJANG Contoh Diketahui Panjang = 15 cm Lebar = 10 cm TentukanLuasnya? Jawab L = p x l = 15 cm x 10 cm = 150 cm2 LUAS = PANJANG X LEBAR lebar Panjang

  2. persegi Luas = sisi x sisi CONTOH Diketahui Panjangsisisebuahpersegi 8 cm. Tentukanluaspersegitersebut Jawab L= s x s = 8 cm x 8 cm = 64 cm sisi

  3. SEGITIGA CONTOH Diketahui LUAS = 40 Cm2 TINGGI = 8 Cm Alas = 40 x 2 8 = 80 cm2 8 cm = 10 cm

  4. TRAPESIUM L = (a + b)x t 2 t=luas x 2 (a + b) b t a Contoh Diketahui Luas = 60 cm 2 a = 25 cm b= 15 cm t =…? Jawab t = 60 x 2 (25+ 15) = 120 : 40 = 3 cm

  5. JAJAR GENJANG tinggi = luas alas alas = luas tinggi Contoh Luas = 60 cm2 tinggi = 6 cm alas = ? alas = 60 cm2 6 cm = 10 cm Contoh Luas = 40 cm2 Alas = 8 cm Tinggi = ? Tinggi = 40 cm2 8 cm = 5 cm tinggi alas Luas = a x t

  6. LAYANG -LAYANG lUAS = d1xd2 2 d1 = luas x 2 d2 d2 = luas x 2 d1 t Contoh Luas = 60 cm2 Diagonal 1 = 12 cm diagonal 2 = ..? Diagonal 2= 60 cmx2 = 120 cm2 12 cm 12 cm = 10 cm a

  7. LINGKARAN LUAS dibaca phi = = 3,14 r SebuahlingkaranJari-jari = 7 cm Berapaluasnya? Berapakelilingnya? diketahui r = 7 cm d KELILING = Jawab Contoh LUAS = x 7cm x 7 cm = 154 cm 2 l KELILING = x 14 cm = 44 cm

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