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vladimir2022 [97]
3 years ago
10

Triangle ABC is translated on the coordinate plane below to create triangle A'B'C':

Mathematics
2 answers:
Elena L [17]3 years ago
8 0
<span>the answer for this case is
 since the translation is
 b. (4, 9)
 (x + 3, y + 6)
 for each ordered pair
</span>
sashaice [31]3 years ago
8 0

Answer:  The correct option is (b) (4, 9).

Step-by-step explanation:  Given that the triangle ABC is translated on the coordinate plane shown to create triangle A'B'C'.

And the parallelogram EFGH is translated according to the same rule that translated triangle ABC.

We are to find the ordered pair of the point H'.

From the figure, we note that

the co-ordinates of the vertices of triangle ABC are A(-7, -2), B(-5, -5) and C(-1, -5).

And, the co-ordinates of the vertices of triangle A'B'C' are A'(-4, 4), B'(-2, 1) and C(2, 1).

So, the required translations from the vertices of triangle ABC to A'B'C are

A(-7, -2)   ⇒   A'(-4, 4) = A'(-7+3, -2+6),

B(-5, 5)    ⇒   B'(-2, 1)  = B'(-5+3, -5+6),

C(-1, -5)   ⇒   C'(2, 1)   =  C'(-1+3, -5+6).

So, the required translation rule from triangle ABC to triangle A'B'C' is given by

(x, y)   ⇒   (x+3, y+6).

Now, the co-ordinates of the point H are (1, 3).

So, if the parallelogram EFGH is translated according to the rule (x, y) ⇒ (x+3, y+6), then the co-ordinates of the point H' will be

H(1, 3)  ⇒   H'(1+3, 3+6) = H'(4, 9).

Thus, the required co-ordinates of the point H' are (4, 9).

Option (b) is CORRECT.

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Answer: The correct option are as follows;

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Step-by-step explanation: Please refer to the picture attached for details.

The line i and line e has been drawn and marked as parallel lines. Also two transversal lines m and n have been drawn to intersect in the region between the parallel lines to form two triangles (as shown in the picture).

From the information given, where line e intersects with line n we have angle 1, and where line e intersects with line m we have angle 3, and then the third angle is angle 2.

Furthermore, where line l intersects line m we have angle 6, and where line l intersects line n is angle 4. Also in this second triangle, the third angle is 5.

Upon close observation we would see that Angle 6 is equal to Angle 3, since the transversal m has cut across both parallel lines l and e. Similarly Angle 4 is equal to Angle 1 since the transversal n has cut across parallel lines l and e. Having that Angles 3 and 1 are congruent to Angles 6 and 4, we can conclude that the value of the third angle in one triangle is equal to the that of the third in the second triangle, that is, Angle 2 equals Angle 5. Also, if the angles are similar and the lines l and e are parallel, then the lines formed in both triangles are equal.

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The interior angle are alternate angles (Angles 3 and 6, Angles 1 and 4), and the third interior angles are Opposite (Angles 2 and 5 {Opposite angles are equal})

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aleksandr82 [10.1K]

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Explanation:

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