A right angled triangle with a 30 degree angle and angle X.
Calculate the size of angle x.
= (82*10^92 - 1)/9
2+2
6/7+3/4
6/7
1/a(a-b)+1/a(a+b)
= (73*10^110 - 1)/9
3365/80
= (64*10^55 - 1)/9
22÷7×10.5÷2×10.5÷2
