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Mathematics 13 Online
OpenStudy (anonymous):

Some steps to construct an angle MNT congruent to angle PQR are listed below. Step 3 is not listed: Step 1: Use a compass to draw an arc from point Q which intersects the side PQ at point A and the side QR at point B. Step 2: Draw a segment NT and use the same width of the compass to draw an arc from point N which intersects the segment NT at a point X. Step 3: Step 4: Join points N and Y using a straightedge

OpenStudy (anonymous):

Which statement describes step 3 correctly? Maintaining the same width of the compass as BQ, draw an arc from point X such that it intersects the arc drawn from N in a point Y. Use the same width of the compass as the width of NX, and draw an arc from point X such that it intersects the arc drawn from N in a point Y. Use the same width of the compass as AQ, and draw an arc from point X which intersects the arc drawn from N in a point Y. Maintaining the same width of the compass as AB, draw an arc from point X such that it intersects the arc drawn from N in a point Y.

OpenStudy (anonymous):

@verity can u help me pleaseee

OpenStudy (anonymous):

only if you help me

OpenStudy (anonymous):

Ill give it a shot what class?

OpenStudy (anonymous):

science

OpenStudy (anonymous):

physics

OpenStudy (anonymous):

which science class are u doing online? is it biology

OpenStudy (anonymous):

oh..idk If ill get it right

OpenStudy (anonymous):

@AnimalAin can u help me

OpenStudy (anonymous):

The last option seems to solve the problem. Think about it as a triangle. This method makes the side opposite your angle equal. You have already (by the construction of the first arc) made the other two sides equal to each other. This gives you a congruent triangle by SSS, and hence a congruent angle.

OpenStudy (anonymous):

Thank you for your help! Iv been struggling so much

OpenStudy (anonymous):

No sweat. Do math every day.

OpenStudy (anonymous):

can u help me with another?

OpenStudy (anonymous):

Remember that you can get your compass out and try to follow the directions. It really helps.

OpenStudy (anonymous):

well, if it isn't too hard....

OpenStudy (anonymous):

okay ill remember it and heres my next question If triangle ABC is congruent to triangle XYZ, then which statement is true? ∠A ≅ ∠Z segment CA ≅ segment ZX ∠B ≅ ∠X segment AB ≅ segment YZ

OpenStudy (anonymous):

I have 2 more questions after this Im clueless with math sorry to bug u with all this

OpenStudy (anonymous):

This one is just a question of which ones match up. A is the first, Z is last: no match. C is last, A is first; Z is last, X is first: match B second, X first: no match AB first pair, YZ second pair: no match

OpenStudy (anonymous):

Do you understand how I did that?

OpenStudy (anonymous):

a little

OpenStudy (anonymous):

If two triangles are congruent, they have matching angles, and matching sides. Unless the triangle is special (isosceles or equilateral), each side is different from the others, as are the angles. That means the order matters.

OpenStudy (anonymous):

That's a better explanation im understanding that

OpenStudy (anonymous):

So if ABC is congruent to XYZ, angle A has to match angle X, and so on.

OpenStudy (anonymous):

That's what I checked above. Look it over again. I'm sure you can figure it out.

OpenStudy (anonymous):

wow thank you I needed this help Im clueless with math but I think I can answer questions like that and I got two more questions will u be able to stay and help

OpenStudy (anonymous):

The coordinate grid below shows triangle ABC and its image after translation, triangle A'B'C': Which rule represents the translation seen? (x, y) → (x−8, y+3) (x, y) → (x+8, y−3) (x, y) → (x−3, y+8) (x, y) → (x+3, y−8)

OpenStudy (anonymous):

The question here is "How far did it move?" Check the movement in the x direction and the distance in the y direction from A to A' . Then look for the the correct description. How far did it move in the x direction?

OpenStudy (anonymous):

How far in the y direction?

OpenStudy (anonymous):

Which answer reflects that movement?

OpenStudy (anonymous):

10

OpenStudy (anonymous):

I don't think so. Count again.

OpenStudy (anonymous):

8 I mean

OpenStudy (anonymous):

That's right. How about in the y direction?

OpenStudy (anonymous):

3 im guesing would it be the 2nd opition ? I think I got it

OpenStudy (anonymous):

Excellent. Note that the motion in x was to the right (positive) and the motion in y was down (negative).

OpenStudy (anonymous):

That is reflected in the signs of the correct answer.

OpenStudy (anonymous):

thank you for your help I know its hard teaching me

OpenStudy (anonymous):

No sweat. Do math every day.

OpenStudy (anonymous):

well that was my last question will you be able to help me again tomorrow?

OpenStudy (anonymous):

I'm not sure. Stay after it; I'm sure there will be someone that can help.

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