Question

the angles of triangle are (x-40) (x-20) and (x/2-10) find the value of x and then the angles of triangle

Answer 1

x-40+x-20+x/2-10=180
x+x+x/2-40-20-10=180
5x/2-70=180
5x/2=180-70
5x/2=110
5x=110*2
x=220/5
x=44
x-40
44-40=4
x-20
44-20=24
x/2-10=22-10=10

Answer 2

Answer:

I hope it is helpful..............................