The product is equal to zero if one of the factors is equal to zero.
Therefore:

If it’s under 90 make a acute angle of it 90 make a right angle if it’s over 90 make a obtuse angle
Answer:
36
Step-by-step explanation:
12 x 3 = 36
Answer:
The answer is 5
Step-by-step explanation:
I got it from goggle....your welcome
Answer:
Step-by-step explanation: