Question
If two triangles are similar, the ratios of their perimeter and scale factor are
- Equal
- Different
- Square
- Doubled
The correct answer is: Equal
equal is the answer
let's take similar triangle
it is similar triangle because corresponding sides is in proportion
here scale factor = 2
and ratio of perimeter = 
hence scale factor and ratio of perimeter bot are same
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1.) Two triangles are similar if their corresponding angles are equal and their corresponding sides are within the same ratio (or proportion). Similar triangles will have the same shape, but not necessarily the same size
If the corresponding angles of two triangles are equal, then the triangles are similar. They are called equiangular triangles
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If the corresponding angles of two triangles are equal, then the triangles are similar. They are called equiangular triangles
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In the given figures, ∆ABC ~ ∆DEF, then find the unknown value x.
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The figures given below are
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If triangles ADE and ABC shown in the figure are similar, what is the value of x?
If triangles ADE and ABC shown in the figure are similar, what is the value of x?
In similar triangles, the angles are
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When the ratio of corresponding sides is proportional, and angle are equal in two figures, then the figures are
When the ratio of corresponding sides is proportional, and angle are equal in two figures, then the figures are
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.
• If the scale factor is 1, the figure and the image are the exact same size (congruent).
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.
• If the scale factor is 1, the figure and the image are the exact same size (congruent).
Find the value of the variable m and n for the following figure that undergoes a dilation.
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).
Find the value of the variable m and n for the following figure that undergoes a dilation.
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).
