a regular 6 sided polygon and a regular 8 sided polygon share a side . calculate the isze of angle a
1/19^4 work out the missing value in the equality below
7^7. 7^3. 49^-5
a:b = 1:3 b:c = 6:5
find a:b:c
2 2/5
1/19^4 missing value
6-3/5-4/7+2/9
1/19^4
76044673116
1307514184
35564626482
112598220672
5^-3
