Question 818002
angles of a triangle add up to 180

a=7x,
b=9x,
c=10x,
7x+9x+10x=180
26x=180
13x=90
x=90/13
7*90/13= angle a
9*90/13= angle b
10*90/13= angle c
a = 630/13,   b = 810/13,   c = 900/13,   x = 90/13
a=48.462,   b=62.308,   c=69.231,   x=6.9231