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tatyana61 [14]
3 years ago
12

Which angle pairs are supplementary? Check all that

Mathematics
1 answer:
Assoli18 [71]3 years ago
6 0

Answer:

Option B, C and E are supplementary angles.

Step-by-step explanation:

We need to find supplementary angles.

Supplementary angles are those angles who sum up to 180 °.

I have attached picture for reference.

Looking at the figure given:

We have supplementary angles:

  • ∠4 and ∠3
  • ∠4 and ∠5
  • ∠5 and ∠6
  • ∠7 and ∠8
  • ∠3 and ∠6

But the options given are: ∠4 and ∠3,∠4 and ∠5, ∠3 and ∠6

So, Option B, C and E are supplementary angles.

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lions [1.4K]
51:60 will be \frac{17}{20}
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4 years ago
A dress that normally costs $43.00 is on sale for 5% off. What is the sale price of the dress?
galben [10]

Answer:40.85

Step-by-step explanation:

43x5/100=2.15

43-2.15= 40.85

4 0
4 years ago
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What is true of angles c and d?
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Answer:

<u>D) The two angles are complementary</u>

Step-by-step explanation:

\dashrightarrow \: { \tt{c + d = 180 \degree}}

3 0
3 years ago
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what is the measure of the vertex angle of an isosceles triangle i’d one of its base angles measures 42°
Naya [18.7K]

The measure of the vertex angle of the isosceles Δ is 96°

Step-by-step explanation:

In the isosceles triangle

  • Two sides are equal in lengths
  • The angle between the two equal sides is called vertex angle
  • The other two angles are called base angles
  • The base angles are equal in measure

∵ The measure of one of the base angles of an isosceles Δ = 42°

- The base angles are equal in measure

∴ The measure of the other base angle = 42°

∵ The sum of the measures of the interior angles of any Δ = 180°

∴ 42 + 42 + measure of the vertex angle = 180

∴ 84 + measure of the vertex angle = 180

- Subtract 84 from both sides

∴ measure of the vertex angle = 96°

The measure of the vertex angle of the isosceles Δ is 96°

Learn more:

You can learn more about the triangles in brainly.com/question/6530759

#LearnwithBrainly

8 0
3 years ago
5x+3y=27<br> 7x+9y=51 <br> I'll give brainliest
lilavasa [31]
7(5x+3y=27)
-5(7x+9y=51)
———————
35x+21y=189
-35x-45y=-255
————————
-24y=-66
Y=-66/-24

Y=2.75
——————-
Now replace Y with one of the equations to find x
—————
5x+3(2.75)=27
5x+8.25=27

5x=27-8.25
X=18.75/5
X=3.75
——————
Final answer =
X=3.75
Y=2.75
6 0
3 years ago
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