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aev [14]
3 years ago
5

What is the the length of c?

Mathematics
1 answer:
artcher [175]3 years ago
3 0
A thousand ways you could solve this, but generally need to understand 3 concepts to do so

1. interior angles of triangle add up to 180 degrees
2. law of sines
\frac{a}{sin A}=\frac{b}{sin B}= \frac{c}{sinC}
3. law of cosines
c^2= a^2+b^2 -2ab* cos(C)

my personal suggestion

determine what angle A is, then use law of sines in order to determine side c
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Please help i am confused
Kisachek [45]
I’m not sure about the second half but since it’s a triangle all of the angles add up to 180° so you can find the third angle by adding 61 and 90 then subtracting that from 180 to get the third angle
4 0
3 years ago
Question 2 ONLY
Butoxors [25]

In triangle ABC angle c = 180-78-40 = 62 degrees

For the triangles to be congruent angle z must equal angle C

Solve for x:

2x + 8 = 62

Subtract 8 from both sides:

2x = 54

Divide both sides by 2:

X = 27

Now we k ow x has to equal 27 to be concurrent so we can answer the 3 questions.

A. False

B. True

C. True

3 0
3 years ago
The table shows the function representing the height in the area of the base of a rectangular prism for different values of X th
stepan [7]

Answer:

A

<em>can i have brainliest lol</em>

Step-by-step explanation:

when x = 3, the volume is 36.

4 times 9 = 36, so you multiply f(x) by g(x) to get 36

6 0
3 years ago
Which expression fits this description?
madam [21]

Answer:

The expression that fits the description is ;

(8a + b)/4

Step-by-step explanation:

Here, we want to find the expression that fits the given description;

We are told that the expression is a sum of two terms

The first term is 2 * a = 2a

The second term is the quotient ( result of division) of b and 4 = b/4

So the term we are looking for is;

2a + b/4 = (8a + b)/4

6 0
3 years ago
Read 2 more answers
7. A regular polygon has each of it's exterior angles as 18. How many sides has the polygon​
erica [24]

Answer:

20 sides

Step-by-step explanation:

the sum of the exterior angles of a regular polygon is  360 degrees  

so the

No. of sides  

360 /18  =  20

3 0
3 years ago
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