The altitude is the mean proportional between the left and right parts of the hyptenuse
20/m = m/8
m² = 20 · 8
m² = 160
m = √160
m = 4√10
Laim descended 5,050.25 feet and his elevation changed by -5,050.25.
Answer:
C
Step-by-step explanation:
Using the rules of exponents
•
×
⇔ 
•
⇔ 
Hence
=
=
, then
=
=
→ C