The option that is shown to be congruent by a sequence of reflections and translations is Option B: Triangle ABC and Triangle MNO
- Option C: Triangle JKL and Triangle PQR can be shown to be congruent by a single rotation.
<h3>How are they congruent?</h3>
Note that:
If ∆MNO can be gotten from ∆ABC then ∆MNO ≅ ∆ABC
To solve for Reflection (x axis), it will be:
The coordinate note for the reflection is (x, y) will be: (x,-y)
Since ∆MNO M(-9, -4), N(-3, -4), and O(-3, -15).
Then the reflections will be:
M(-9, -4)- M1(-9,4)
N(-3, -4)- N1(-3,4)
O(-3,-15)-O1(-3,15)
To solve for Reflection (y axis), it will be:
The coordinate note for the Reflection is (x,y) will be (-x,y)
Since ∆M1N1O1 = M1(-9, 4), N1(-3, 4), and O1(-3, 15).
Then M1(-9, -4) - M2(9,4)
N1(-3, -4) - N2(3,4)
O1(-3,-15)- O2(3,15)
To solve for Translation
The coordinate note for the Translation is (x,y) will be (x+2,y+2)
Since ∆M2N2O2 = M2(9,4), N2(3,4), and O2(3, 15).
Then M2(9, 4) - M3(11,6)=A
N2(3,4) - N3(5,6)=B
O2(3,15) - O3(5,17)=C
Hence ∆MNO ≅ ∆ABC
To know the congruent by a single rotation.
If ∆JKL can be gotten from ∆PQR
Then ∆JKL ≅ ∆PQR
For Rotation of 90 degree in an anticlockwise position, then:
The coordinate note for the Rotation is (x,y) will be (-y, x)
So, ∆JKL = J(17, -2), K(12, -2), and L(12, 7).
J(17, -2)- J1(2,17)
K(12, -2) - K1(2,12)
L(12,7) - L1(-7,12)
To solve for translation
The coordinate note for the translation is (x,y) will be (x+10,y-14)
Then ∆J1K1L1 = J1(2, 17), K1(2, 12), and L1(-7, 12).
Hence J1(2, 17) - J2(12,3) = P
K1(2, 12)- K2(12,-2) = Q
L1(-7, 12)- L2(3,-2) = R
So, ∆JKL ≅ ∆PQR.
So therefore, The option that is shown to be congruent by a sequence of reflections and translations is Option B: Triangle ABC and Triangle MNO
- Option C: Triangle JKL and Triangle PQR can be shown to be congruent by a single rotation.
See options below
___ can be shown to be congruent by a sequence of reflections and translations.
1)Pick one to go with the sentence.
a Triangle ABC and Triangle XYZ
b Triangle ABC and Triangle MNO
c Triangle JKL and Triangle ABC
d Triangle PQR and Triangle XYZ
___ can be shown to be congruent by a single rotation.
Pick one to go with the sentence.
a Triangle ABC and Triangle XYZ
b Triangle PQR and Triangle XYZ
c Triangle JKL and Triangle PQR
d Triangle JKL and Triangle XYZ
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