70a + 55b = 905
a + b = 14
55a + 55b = 770
(70a-55a) + (55b-55b) = 905 - 770
15a = 135
a = 9
a + b = 14
9 + b = 14
b = 5
Angle EGF = x
Sin x = 12/18.6
Sinx ≈ 0.6452
x ≈ Sin⁻¹(0.6452). Use a calculator.
x ≈ 40.18°
x ≈ 40.2°
Second option.
Make sure you match up your negative and positive so that you can get a good coordinate and pattern
26 and 27.
Consecutive numbers are pairs of numbers like 1 and 2 or 5 and 6. One number right after the other to equal the whole number. Subtract 1 from 53 to get 52 then divide 52 by 2 to get 26. Then just add the 1 back on to get 26 and 27 to equal 53.
Hope this helped! :)
