Copy the given figure and label them.
Copy the given figure and label them as shown.
To find the value of
, first find
is 80, and
is 120. So,
= 80 + 120 or 200.
Write a proportion for
Two polygons are similar, if all corresponding angles are congruent and the measures of all corresponding sides form the same ratio.
Here, the triangles
are similar. So,
Substitute 120 for
, and 200 for
, and 39 for
In a proportion, the product of the extremes equals the product of the means.
In a proportion, the product of the extremes equals the product of the means. So,
Multiply each side by
So, the value of
in the given pair of similar polygons is 65 cm.
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