Step-by-step explanation:
I think that is the right answer I hope ut helps
Answer:
252
Step-by-step explanation:
[45-9]*7
36*7
252
Answer:
d
Step-by-step explanation:
in order for it to be a triangle the angles have to add up to equal 180
5+75+100=180 so its not a
10+80+90=180 so its not b
20+60+100=180 so its not c
45+45+45=135 so its d because the angles dont add up to 180
50+50+80=180 so its not e
The mistake is in line 2, the parenthesis means multiplication therefore it has to be 3x