Question
Which statement is not true in the following statements?
- All congruent triangles are similar
- All similar triangles are congruent
- Similar triangle with scale factor 1 is congruent.
- Corresponding angles of similar triangles are equal in measure.
Hint:
because lots of similar triangle have scale factor more than 1, but for congruent it should be 1
The correct answer is: All similar triangles are congruent
All similar triangles might not be congruent.
so the option 2 :) All similar triangles are congruent is the correct,
because lots of similar triangle have scale factor more than 1, but for congruent it should be 1
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If the scale factor is 
, the dilation is
Scale factor : Scale Factor is defined as the ratio of the size of the new image to the size of the old image
• If the scale factor is greater than 1, the image is an enlargement. It expands.
• If the scale factor is between 0 and 1, the image is a reduction. It contracts.
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Scale factor : Scale Factor is defined as the ratio of the size of the new image to the size of the old image
• If the scale factor is greater than 1, the image is an enlargement. It expands.
• If the scale factor is between 0 and 1, the image is a reduction. It contracts.
• If the scale factor is 1, the figure and the image are the exact same size (congruent).
