ShmoopTube
Where Monty Python meets your 10th grade teacher.
Search Thousands of Shmoop Videos
Word Problems Videos 32 videos
ACT Math: Elementary Algebra Drill 1, Problem 1. What is Ben's current age?
ACT Math: Elementary Algebra Drill 5, Problem 1. How old is Jeremy's brother?
ACT Math: Elementary Algebra Drill 5, Problem 4. How old is Thalia?
CAHSEE Math 1.3 Measurement and Geometry 190 Views
Share It!
Description:
CAHSEE Math Measurement and Geometry: Drill Set 1, Problem 3. What is the measurement in degrees, minutes, and seconds?
Transcript
- 00:03
Here's a shmoopy question for you...
- 00:05
Brian has left his skateboard leaning up against the wall in the hallway yet again.
- 00:10
His mother trips over it every time it's at an angle of less than 36° 8'.
- 00:15
If the angle of the skateboard measures 36.125°,
- 00:19
what is its measurement in degrees, minutes, and seconds?
Full Transcript
- 00:23
1 degree = 60 minutes, and 1 minute = 60 seconds.
- 00:27
Here are the potential answers...
- 00:30
The question is asking whether we know what a degree, minute and second are...
- 00:34
in circle terms... So... the 36 is just 36 and it stays the same --
- 00:39
we should know this intuitively because 36 degrees is... 36 degrees...
- 00:44
...but we can also look at the answer set -- they all start with 36. So leave that one alone.
- 00:51
Move on to minutes. To convert the decimal
- 00:54
part of degrees, we just multiply that number by 60 to get the partial degree or minutes.
- 00:59
So if we take .125 and multiply it by 60... we get 7.5 minutes.
- 01:06
If we wanna get rid of the decimal in the minutes -- that .5 thing --
- 01:09
then we can state it in seconds. To do so, we again multiply by 60 and we get
- 01:14
.5 times 60 which is... 30 seconds. So the fully converted figure is 36 degrees,
- 01:22
7 minutes and 30 seconds... or answer B. B, as in... "Brian, you're grounded!"
Related Videos
CAHSEE Math: Algebra and Functions Drill 5, Problem 3. Solve the equation.
The video will show you how to plot points in 3D using the axes of the 3D coordinate system. Make sure you're wearing your special glasses for this...
When graphing inequalities, you graph the line, shade the corresponding side, and plug in the point. The end!
One formula to rule them all, one formula to find them. One formula to bring them all, and in the darkness bind them. Or something like that. I...