Answer:
NO because 7+5=12
The sum must be larger (not equal to) the longest side. If it's exactly the same, there's no room to for the shorter two sides to angle up to form a triangle.
Answer:
80 degrees
Step-by-step explanation:
Do 90 plus 10.
The do 180 minus 100
because a triangle adds up to 180
Answer:

Step-by-step explanation:
If you expand an equation you get its equivalent expression
Answer:
123 456 789 10 11 12 1 3 1 4 1 5 1 5
Step-by-step explanation:
Answer:
A If this is maths!!!
Step-by-step explanation:
If we rely solely on mathematics then the answer must be A. The other options seem to be from economy so it has nothing with mathematics. Please make sure that this is math task then answer.