Geometry. Grade 10. Similar triangles
posted by John. F .
the ratios of the ares of two similar triangles is 4 : 9. What is the ratio of their altitudes drawn from corresponding sides?

2:3, the square root of the area ratio.

EF= 10cm, DF= 16 cm, DH= 48 cm what is the length?

This phone does not cope the square root any other that i want to use

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