Posted by **suborna** on Tuesday, January 11, 2011 at 6:40pm.

in triangle abc angle c is 90.write a indirect proof that angle a is less than 90.

- geomatry -
**brian**, Tuesday, January 11, 2011 at 6:56pm
hey

## Answer This Question

## Related Questions

- Geomatry - In triangle ABC, angle Bis five less than twice angle A and angle Cis...
- Geometry - Writing indirect proofs. Can someone please check for me. I am not ...
- geometry - Indirect proof given triangle ABC,<B is an obtuse angle prove ...
- Geometry - Write an indirect proof that an obtuse triangle does not have a right...
- Geometry - Given: in triangle ABC, angle B= 120 degrees Prove: angle A does not...
- Maths, Problem solving - In this triangle, angle BAC is 25% of the size of angle...
- GEOMETRY (Angles) PLEASE - in triangle ABC, angle b is 5 more than twice angle A...
- help math - In triangle ABC, points D,E,F are on sides BC,CA,AB respectively ...
- Geometry - Please answer at least one . PLEASE 1. Triangle XYZ has a right ...
- GEOMATRY - CONSTRUCT ANGLE ABC WHERE AB=AC=10cm AND BC=9cm .MEASURE AND WRITE ...

More Related Questions