anggar1997
1.>>> luas persegi panjang = 28 x 5 = 140 cm² luas 1/2 lingkaran = 1/2 x phi x r² = 1/2 x 22/7 x 14 x 14 = 308 cm² TOTAL = 140 + 308 = 448 cm²
2.>>> luas persegi panjang = p x l = 20 x 36 = 720 cm² luas lingkaran = phi x r² = 3,14 x 10 x 10 = 314 cm² TOTAL = 720 + 314 = 1034 cm²
3,>>> luas jajar genjang = alas x tinggi = 45 x 7 = 315 cm² luas belah ketupat = 1/2 x d1 x d2 = 1/2 x 14 x 14 = 98 cm² TOTAL = 315 + 98 = 413 cm²
luas persegi panjang = 28 x 5 = 140 cm²
luas 1/2 lingkaran = 1/2 x phi x r² = 1/2 x 22/7 x 14 x 14 = 308 cm²
TOTAL = 140 + 308 = 448 cm²
2.>>>
luas persegi panjang = p x l = 20 x 36 = 720 cm²
luas lingkaran = phi x r² = 3,14 x 10 x 10 = 314 cm²
TOTAL = 720 + 314 = 1034 cm²
3,>>>
luas jajar genjang = alas x tinggi = 45 x 7 = 315 cm²
luas belah ketupat = 1/2 x d1 x d2 = 1/2 x 14 x 14 = 98 cm²
TOTAL = 315 + 98 = 413 cm²
semoga membantu ^_^