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Solved Examples
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DD  ΔPQR is the reflection image of ΔABC as shown. Find the values of x and z.
[Given AB = 2x - 3, PQ = 5, BD = 5z and SQ = 10.]  DD
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DD  ΔPQR is the reflection image of ΔABC as shown. Find the values of x and y.
[Given PQ = y + 5, AB = 11, BC = 5x - 1 and QR = 34.]  DD
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DD  ΔABC is equilateral, D is the mid point of BC¯ as shown. What is the area of ΔABD if the area of ΔADC is 4.5 cm2?  DD View Solution
DD  Is the shown transformation a reflection?
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DD  Name the transformation shown.  DD View Solution
DD  Which of the following is the reflection image of the given figure in the line shown?
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DD  Find the coordinates of reflection image of A(2, 3) in the x-axis of xy-plane.  DD View Solution
DD  A point B (1, - 1) is reflected in the y-axis. What are the coordinates of the reflection image of B?.  DD View Solution
DD  A point P (- 2, 2) is reflected in the y-axis. What are the coordinates of P′?
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DD  A point S(0, 3) is reflected in the x-axis. What is the line on which the reflection lies ?  DD View Solution
DD  What is the reflection image of MN¯ in the x-axis?
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DD  What is the image of MN¯ under a reflection in the y- axis?  DD View Solution
DD  Which of the following is the image of PQ¯ under a reflection in the line y = x?.
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DD  AB¯ has gone under a reflection in the y- axis, its image has gone under a reflection in the x - axis. Which of the following is the final image of AB¯?
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DD  ΔPQR is the reflection image of ΔABC as shown. Find the values of x and z.
[Given AB = 2x - 3, PQ = 5, BD = 2z and SQ = 4.]  DD
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DD  How many lines of symmetry does the figure shown contain?
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DD  Is the property of reflection an isometry?  DD View Solution
DD  If the point M(5, - 4) is reflected in the line y = - 1, then find the coordinates of the reflected image of M.
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DD  ΔPQR is the reflection image of ΔABC as shown. Find the values of x and y.
[Given PQ = y + 3, AB = 11, BC = 3x - 3 and QR = 27.]  DD
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DD  A′ is the reflection image of A under line l. Which of the following is correct?  DD View Solution
DD  ΔE′C′D′ is the reflection image of ΔECD under the line l as shown. Then ED = ___.  DD View Solution
DD  Name the transformation shown.
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DD  Which of the following is not correct?
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DD  ΔABC is isosceles, D is the midpoint of side BC¯ as shown. What is the reflection image of C under the line l?
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DD  ΔE′C′D′ is the reflection image of ΔECD under the line l as shown. mCDE =  DD View Solution
DD  A is a point on a line l and its reflection image in l is A′ .Which of the following is correct?
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DD  ΔABC is equilateral, D is the mid point of BC¯ as shown. What is the area of ΔABD if the area of ΔADC is 4.3 cm2?  DD View Solution
DD  What are the coordinates of the image of (x, y) when it is reflected onto the y-axis?
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