1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
jeka57 [31]
3 years ago
11

How can you find the side of a triangle only using angles 33 degrease, 49 degrees, and 98 degrees, and one side which is 100m. I

only need to know the side opposite to 33 degrees but, I’ve been doing online school and my teacher can barely teach this is actually the most I’ve learned all year so I can’t ask him. If someone could help me out thank you so much!!

Mathematics
2 answers:
stellarik [79]3 years ago
8 0

Answer: x = 72.2

Step-by-step explanation: You have to use Law of Sines. If you don’t know what that is, it’s when you have sin times an angle measure divided by the opposite side length. You set up two of these and make them equal to each other with one unknown. (In this case it would be the side length. So, your equation would look like this: sin49 over 100 = sin33 over x. You are then tryin to solve for x. So, you can use cross multiplication to get

xsin49 = 100sin33. Then divide by sin49 to get x by itself. You would then have x = 100sin33 over sin49. Then you can use your calculator and plug it in to get 72.16 rounding it to 72.2.

kumpel [21]3 years ago
3 0

Answer:

72.17 m to the nearest hundredth.

Step-by-step explanation:

It is sin not cos.

We use the Sine Rule to do this

a / sin A = b / sin C = c / sin C.

Here we have:

100 / sin 49 =  x / sin 33

x =  100 * sin 33 / sin 49

= 72.17 m.

You might be interested in
Evaluate sin 300° without using a calculator.
Anni [7]

Answer:

-\sqrt{3} /2

Step-by-step explanation:

300 degrees is in the fourth quadrant (it's between 270 and 360); sine is negative in the fourth quadrant.

Given we're in the fourth quadrant, the reference angle is 360 - 300 = 60 degrees

sin(60°) = \sqrt{3} /2

And since sine is negative, this value turns negative:

sin(300°) = -\sqrt{3} /2

3 0
2 years ago
May u please help me ill give out the brainly
Sedaia [141]

Answer: The answer that I think is A

sry if wrong

8 0
2 years ago
Read 2 more answers
If x-y=√3, x²-y²=√5 & a²-a√3+1=0, then find out the value of x+y
Lemur [1.5K]

Answer:

√15/3

Step-by-step explanation:

x² - y² =√5

(x +y)*(x -y) = √5

(x +y) * √3 = √5

x+y  = √5 / √3

x +y = √5*√3 / √3*√3

x +y = √15/3

4 0
2 years ago
Factorise x2 + x - 30
Likurg_2 [28]

Answer:

If your polynomial is x^2+x-30, then your answer is (−5)(+6)

3 0
3 years ago
Find the center and radius for the circle, given the equation: x^2-14x+y^2+8=16
Strike441 [17]
You can do this by completing the square

x^2 - 14x + y^2 + 8  = 16

(x - 7)^2 - 49 + (y + 4)^2 - 16  = 16

(x - 7)^2 + (y + 4)^2 =   16 + 16 + 49  =  81


so the center is at (7 , -4) and radius = sqrt81 = 9
5 0
3 years ago
Other questions:
  • A cruise ship can cover 17 nautical miles in 391 minutes. How many nautical miles will it travel in 299 minutes?
    6·2 answers
  • Which of the following describes the graph of a linear function?
    10·2 answers
  • How do you decrease £840 by 5%
    10·2 answers
  • How do you simplify this
    12·2 answers
  • the radius ???? of a sphere is expanding at a rate of 70 cm/min. The volume of a sphere is ????=43????????3 and its surface area
    6·1 answer
  • What is the solution of the equation 3y-5y+10=36 <br> ( A) -13<br> (b) 4.5<br> (C) 13 <br> (D) 2
    14·2 answers
  • A garden table and a bench cost S585 combined. The garden table costs S65 less than the bench. What is the cost of the bench?
    11·1 answer
  • Hello.
    5·2 answers
  • PLS ANSWER THE QUESTION
    9·1 answer
  • What is the slope of line m? please help
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!