Answer:1. 152.4
2. 0.0009
3. 680
Step-by-step explanation:
Answer:
pythagorean theorem. a^2+b^2=c^2
1.5^2+b^2=6^2
2.25+b^2=12
12-2.25=b^2
b^2=9.75
take the square root
b=3.12