" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
(30x10)/2
50 = 9+21 +2c
50 - 30 = 2c
20 = 2c
c = 10cm
L = 1/2(a+b)t
=1/2(9+21)8
=4(30)
=120 cm^2 (A.)
semoga membantu(: