1/3 because reciprocal is the opposite
(1.4 x 10^18) / (1.1 x 10^12) = <u>1.27 x 10^6</u>
Roughly 1.27 million Earth's. That's a bunch.
You first need to find the last angle measurement which is
60 because 60+15+105= 180
Sin60 Sin105
——— = ———— Cross multiply
a 2
Sin60 * 2 = Sin105*a
1.7 = Sin105*a Divide both sides by sin105
1.79 = a
1.8 ≈ a