Answer: mercury and venus are (closer to) the sun than earth is. so their orbital periods are (shorter) than earths orbit. the further a planet is from the sun the (longer) it’s orbit is.
Explanation:
The complete proofs with all the reasons and statements; have been enumerated below
<h3>What are triangle proofs?</h3>
From the attached triangle, we can complete the proofs as follows;
Statement 1; AB * BE = CB * BD
Reason 1; Given
Statement 2; CB/BE = AB/BD
Reason 2; Property of Cross Multiplication
Statement 3; ∠ABC ≅ ∠DBE
Reason 3; Vertical Angles
Statement 4; ΔABC ~ ΔDBE
Reason 4; SAS property of similarity
Read more about Triangle Proofs at; brainly.com/question/22721185
2+5+8+1=16
16/4=4
4 is the average (mean)
