Question

. A triangle has one angle that measures 24 degrees, one angle that measures 105 degrees, and one angle that measures 51 degrees. What kind of triangle is it?

Answer 1

This might help:
http://www.coolmath.com/reference/triangles-types.html

Answer 2

so do you know what mean triangle acute ,triangle right and triangle obtuze ?

Answer 3

it is a scalene triangle