When the signs of the two numbers are the same, the answer will be positive. When the signs of the two numbers are different, the answer will be negative.
Answer:
-0.01
Step-by-step explanation:
Answer: obtuse
Step-by-step explanation:
Sides: a= 0.3, b= 0.4, c= 0.6
Area: T= 0.053
Perimeter: p= 1.3
Semiperimeter: 0.65