PENGUKURAN (Perimeter, Luas & Isipadu Bentuk-Bentuk Tertentu)
PENGUKURAN (Perimeter, Luas & Isipadu Bentuk-Bentuk Tertentu) PENGUKURAN (Perimeter, Luas & Isipadu Bentuk-Bentuk Tertentu)
B1001/3. GEOMETRY & MEASUREMENT/PERIMETER, AREA & VOLUME 2Bentuk Rajah RumusSegiempat tepatplLuas = p ´ lPerimeter = 2(p + l)Segiempat samattLuas = l 2Perimeter = 4tBulatanrLuas = p r 2Lilitan = 4tqPanjang lengkok = 360´ 2prSektorqrqLuas = 360´ 2p r 2SegitigaCaBctbALuas = 2 1 bt= 2 1 ab sin Catau 1 2bc sin Aatau 1 2ac sin BtSegiempat selariLuas = btbatTrapezium Luas = 1 2t (a + b)bJadual 10.1
B1001/3. GEOMETRY & MEASUREMENT/PERIMETER, AREA & VOLUME 3Bongkah Rajah RumustKuboidplIsipadu= p ltPrismaAtIsipadu= Luas keratan rentas ´ Tinggi= AtPiramidAtIsipadu = 1 ´ Luas Tapak ´ Tinggi3= 3 1 AtSilinderrtIsipadu = p r 2 tLuas permukaan = 2 p r 2+ 2 p rtKontrsIsipadu = 3 1 p r 2 tLuas permukaan = p js + p j 2SferarIsipadu = 3 4 p r 2Luas permukaan = 4 p r 2Jadual 10.2
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B1001/3. GEOMETRY & MEASUREMENT/PERIMETER, AREA & VOLUME 2<strong>Bentuk</strong> Rajah RumusSegiempat tepatpl<strong>Luas</strong> = p ´ l<strong>Perimeter</strong> = 2(p + l)Segiempat samatt<strong>Luas</strong> = l 2<strong>Perimeter</strong> = 4tBulatanr<strong>Luas</strong> = p r 2Lilitan = 4tqPanjang lengkok = 360´ 2prSektorqrq<strong>Luas</strong> = 360´ 2p r 2SegitigaCaBctbA<strong>Luas</strong> = 2 1 bt= 2 1 ab sin Catau 1 2bc sin Aatau 1 2ac sin BtSegiempat selari<strong>Luas</strong> = btbatTrapezium <strong>Luas</strong> = 1 2t (a + b)bJadual 10.1
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