" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
5x+2y=180-56 ...... 25+2y=124....2y=99 ....y=49 1/2
4z=180-12x-56....4z=64....z=16
x+y+z=5+49 1/2 +16 =70 1/2
sdt-EFG=sdt-AEF+sdt-FAE=180-145 + 180-130=35+20=55
a=180-75-55=50
b=75
d=a=50
c=180-50-75=55
e==b=75
a1:a2=5:4 ...a1+a2=180
a1=5/9 x180=100
a2=4/9 x180=80
b1=a1
7x+23=100
7x=77 ... x=11