An umbrella you bought is shaped like a regular octagonal pyramid with a side length of four feet and a slant height of feet. Es
timate the amount of fabric that the umbrella has.
1 answer:
You might be interested in
Answer:
8 hours
Step-by-step explanation:
Given:
Sheyna drives to the lake with average speed of 60 mph and
Sheyna drives back from the lake with average speed of 36 mph
It took 2 hours less time to get there than it did to get back.
Let be the time taken to drive to lake.
Let be the time taken to drive back from lake.
hrs ..... (1)
To find:
Total time taken = ?
Solution:
Let D be the distance to lake.
Formula for time is given as:
Putting in equation (1):
So,
So, the answer is: