Under which angle conditions could a triangle exist? Check all that apply.
3 acute angles
2 acute angles, 1 right angle
1 acute angle, 1 right angle, 1 obtuse angle
1 acute angle, 2 obtuse angles
2 acute angles, 1 obtuse angle

3 acute angles

and 2 acute angles, 1 obtuse angle

and 2 acute angles, 1 right angle

Step-by-step explanation:

the key is just to imagine it

also you have to know that right angle is 90° acute is less than 90° and obtuse is more than 90°

answer: 140

step-by-step explanation:

so just add all then it will be your answer but i am not pretty sur eif it is but hope this i am here to people

14

step-by-step explanation:

14 x 3 = 42