# Math (Proportions)

posted by .

3. The ratio of the altitude of a triangle to the length of its base is 5:12. Calculate the altitude if the length of the base is 42mm.
17.5
length/base= 5/12=x/42= 17.5

• Math (Proportions) -

Right.

## Similar Questions

1. ### college geometry

In a triangle the ratio of the base to its altitude is 2:3. If the area of the trianlge is 108 square units, what is the length of the base?
2. ### math

the length of the base of a triangle is 4 times its altitude. if the area of a triangles is 162cm2 find the altitude
3. ### geometry

Find the length of the altitude to the base of an isosceles triangle if the length of one leg is 17 and the base is 16.
4. ### math/ geometry.

the vertex angle of an isoceles triangle is 120. the base length is 18. what is the length of the altitude to the base in simplest form
5. ### math

an altitude of triangle is 5/3rd of the length of its corresponding base if their altitude be increased by 4cm and the base is decreased by 2cm, the area of the triangles remain the same. find the base and altitude of triangle ?
6. ### Geometry

Using vectors, show that the centroid of a regular pyramid with a rectangular base lies on the altitude to the base and is 4/5 of the altitude's length from the vertex.