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Mathematics
Grade9
Easy
Question
Find the value of x for two similar triangles.
9
11
21
31
Hint:
If two triangles are similar, then the ratio of corresponding sides is equal to the ratio of the angle bisectors, altitudes, and medians of the two triangles. Find value of x by equating the ratios.
The correct answer is: 9
If two triangles are similar, then the ratio of corresponding sides is equal to the ratio of the angle bisectors, altitudes, and medians of the two triangles. (Corresponding sides are proportional) Therefore, value of x is 9.