" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
luas selimut tabung = 2πrt = 2×22/7×7/2×4 = 88 cm²
luas alas tab = πr² = 22/7×7/2×7/2 = 38,5 cm²
luas tutup tab = luas alas tab = 38,5 cm²
luas sisi tab = luas sel tab + luas alas tab + luas tutup tab
= 88 + 38,5 + 38,5
= 165 cm²
B.luas selimut tabung = 2πrt = 2×22/7×7/2×4 = 88 cm²
C.luas alas tab = πr² = 22/7×7/2×7/2 = 38,5 cm²
D.luas tutup tab = luas alas tab = 38,5 cm²
E.luas sisi tab = luas sel tab + luas alas tab + luas tutup tab
= 88 + 38,5 + 38,5
= 165 cm²