" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
30cm/72° = x/120°
72x = 30 * 120
72x = 3600
x = 50cm
91) persinggungan luar = √d^2-(r2-r1)^2
= √26^2 - (14-4)^2
= √676 - (10)^2
= √676-100
= √576
= 24 cm