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bixtya [17]
3 years ago
15

Lines m m and n n are parallel. They are cut by transversal t t . What other angle is equal to 65 65 degrees?

Mathematics
2 answers:
natka813 [3]3 years ago
5 0

angle 2 is also 65º because they are corresponding angles. Using the vertical angles theorem, you can also say that angles 3 and 7 are 65º. so the answer to your question would be angle 3

PolarNik [594]3 years ago
5 0

Answer:

B. \angle 3

Step-by-step explanation:

We have been given an image of two parallel lines intersected by a transversal. We are asked to find, which another angle will have measure of 65^{\circ}.

We know that alternate interior angles formed by a transversal by intersecting two parallel lines are equal.

Upon looking at our given image, we can see that angle that measures 65^{\circ} and \angle 3 are inside parallel lines and on the opposite sides of transversal, so, 65^{\circ} angle and \angle 3 are alternate interior angles.

Therefore, by alternate interior angles theorem, \angle 3 is the other angle equal to 65^{\circ} and option B is the correct choice.

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PQR is a right angled triangle with angle R 90 According to Pythagoras rule​
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Answer:

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Step-by-step explanation:

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Answer:

The solution for the system of equations is

x=2,y=−2

Explanation:

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Read 2 more answers
find the sum of a 9-term geometric sequence when the first term is 4 and the last term is 1,024 and select the correct answer be
olasank [31]
Hello,

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Answer B (but see the problem)
7 0
3 years ago
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................. plz let only deltaalex answer:) don’t trust anyone on here but them!
nevsk [136]

Answer:

Step-by-step explanation:

oh law of sines   soo  sin(A) / a = Sin(B) / b

2a)

here DE = side f   then let's find that side with law of sines and plug side f in as 'a' in law of sines , so

Sin(28) / a = Sin(54) / 31  ( where a = f = DE )

can you do the algebra here Emily?  or do you want me to show that?

Sin(28) *31 / Sin(54) = a

17.989 =a

18.0 =a       (rounded to nearest 10th)

DE = 18.0 m

2b)

find RT  where RT = side a

since they give use 2 of the other sides of the triangle we can quickly figure out the S angle.   180 = 71+62+S   so  S = 47°  ( I'm going kinda fast b/c I don't know how much time you have  :? )

then Sin(A) /a = Sin(B) / b

Sin(47) / a = Sin(62) / 29

Sin(47) *29 / Sin(62) = a

24.020 = a

RT = 24.0 meters  ( rounded to nearest 10th )

2c)

they want us to find ∠X with law of sines soo

I'll just use the letter they give us for variables

Sin(X) / x  = Sin(Y ) / y

Sin(X) = x* Sin(y) / y

X = arcSin [ 14 * Sin(108) / 34 ]

X = arcSin [ 0.3916115]

X = 23.0548°

X= 23°  ( rounded to nearest degree )

2d)

they ask us to find ∠E

I'll , again, use the letter they give us for variables

Sin(E) / e = Sin( F ) / f

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E = arcSin[ 18 * Sin(78) / 30 ]

E = arcSin [ 0.5868856 ]

E = 35.936 °

E = 36 °    ( rounded to nearest degree )

:)

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3 years ago
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