Answer:
the answer i believe is right angles
Answer:
Step-by-step explanation:
k= 15
k+12 ≥ 20
15+12 ≥20
27 ≥ 20 True
The largest number is 345
Answer:
Never
Step-by-step explanation:
Adding together an obtuse angle (greater than 90°) and acute angle (less than 90°) should result in an obtuse angle every time