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zloy xaker [14]
3 years ago
12

3 A pair of vertical angles is formed as shown.

Mathematics
2 answers:
Jobisdone [24]3 years ago
6 0
Its A 29 plug in each number in replacement of X
stepan [7]3 years ago
3 0

Answer:

A - 29

Step-by-step explanation:

5x + 30 = 175

5x +30 -30 = 175 - 30

5x = 145

5x ÷ 5 = 145 ÷ 5

X = 29

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krek1111 [17]

Answer:

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7 0
3 years ago
Help easy math question
tangare [24]

i believe the answer is the third option              

8 0
3 years ago
Read 2 more answers
Answer ASAP 84.9 66.2 38.2 33.8
tankabanditka [31]

Step-by-step explanation:

You need to use trigonometric stuff here. Since you're given the hypotenuse and an angle you can plug that right into an equation.

Recall that sin is opposite over hypotenuse and cos is adjacent over hypotenuse.

sin(\theta)=\frac{o}{h} \\sin(30)=\frac{x}{14} \\0.5=\frac{x}{14} \\x=7

Now that you know the opposite side (DC) you can use tan, too, but I'm going to use cos.

cos(\theta)=\frac{a}{14} \\cos(30)=\frac{x}{14} \\\frac{\sqrt{3} }{2} =\frac{x}{14} \\x=7\sqrt{3}

This is the adjacent side (BC). I put it in its exact value, but in decimal form it's ≈12.124.

Now you can do the perimeter:

2l+2w\\2(12.124)+2(7)\\24.248+14\\38.25

Your answer is the 38.2

6 0
3 years ago
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never [62]

An isosceles triangle has two identical angles.

The three angles need to add up to 180 degrees.

If one angle is 100 then the other two angles added together need to equal 180-100 =‘80 degrees.

Since two angles need to be the same the other angles are 80 / 2 = 40 degrees each.

The answer is 40

4 0
3 years ago
Read 2 more answers
First to answer gets brainliest
erma4kov [3.2K]

Answer:6

Step-by-step explanation:

7 0
3 years ago
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