Posted by **Becky** on Sunday, March 4, 2007 at 3:18pm.

Which one of the following pairs of triangle must be similar?

a) two isosceles triangles with congruent vertex angles

b) two right triangles

c) two scalene triangles with congruent bases

d) two obtuse triangles

a) if the two vertex angles are the same then the other two angles of both both triangles have to be the same and identical since all three have to add to 180 then since the two base angles are the same the sides opposite them are congruent and the two triangles are similar be SAS(side angle side)

## Answer This Question

## Related Questions

- help me pls geometry - Which tirangles must be similar 1. Two right triangles ...
- Math - If two angles of one triangle are congruent to two angles of another ...
- Geometry - Determine whether each statement is always sometimes or never true. ...
- math - if possible,draw two isosceles triangle in which all the equal-length ...
- math - Algebra For questions 1-5, find the value of the variable. 1. x = (1 ...
- Geometry - I need help on these two. Consider tirangles ABC and DEF. Side A is ...
- Math - Geometry - Two right triangles are touching at the tips. The left ...
- Math - Draw two scalene triangles that are not congruent, but have exactly five ...
- Math - Use the figure to answer the following questions. figure for questions 1–...
- Math - Use the figure to answer the following questions. figure for questions 1–...

More Related Questions