ShmoopTube

Where Monty Python meets your 10th grade teacher.

Search Thousands of Shmoop Videos


Geometry and Measurement Videos 88 videos

SAT Math 1.1 Geometry and Measurement
718 Views

SAT Math 1.1 Geometry and Measurement. What is the circumference of the circle?

SAT Math 1.2 Geometry and Measurement
245 Views

SAT Math: Geometry and Measurement Drill 1, Problem 2. If A = (0, 4), B = (-3, 2), and C = (1, 0), which point is in the interior of angle ABC?

SAT Math 2.3 Geometry and Measurement
266 Views

SAT Math 2.3 Geometry and Measurement. Find the length of AB.

See All

SAT Math: Calculating Side Length of a Triangle Using Proportions or Trigonometric Functions 2 Views


Share It!


Description:

For the right triangle above, if cos(90° – Z°) is , what is the length of YZ?


Transcript

00:00

Yeah Straighter than thirteen So why's he must be four

02:02

times greater than five which is twenty Well if five

02:05

twelve thirteen triangles aren't your thing the pythagorean theorem can

02:08

offer a helping hand Here is well the high pot

02:10

news is fifty two So that's our sea that gives

02:13

us y c squared Plus forty eight square day is

02:15

fifty two squared Why's he squared Plus two three or

02:18

four is twenty seven o four and then we just

02:21

kind of subtract from both sides against y z squared

02:24

is four hundred square root of four hundred twenty so

02:28

length of y z is twenty The answer is b

Related Videos

SAT Math 2.1 Geometry and Measurement
2779 Views

SAT Math 2.1 Geometry and Measurement. What is the measure of angle z in terms of x and y?

SAT Math 9.4 Algebra and Functions
1300 Views

SAT Math 9.4 Algebra and Functions

SAT Math 9.2 Algebra and Functions
377 Views

SAT Math 9.2 Algebra and Functions

SAT Math: Identifying an Equation for the Average of Two Percentages
23 Views

In 2014, the unemployment rate of one county in California was 7%. In another county, the unemployment rate was 11%. Which of the following express...

SAT Math: Which Equation Represents Profit?
13 Views

Angela is making cookies for a bake sale. She expects each batch of her cookies to sell for $40. It costs her $10 to make one batch of cookies, and...