Answer:
8 mi³
Step-by-step explanation:
area of base=1/2×3×4=6 mi²
volume =1/3×base area×height
=1/3×6×4
=8 mi³
Answer:
3.46 or ..

Step-by-step explanation:
because you use sin(60) = 3/u
Answer:
30
Step-by-step explanation:
Answer:
70.925 I believe
Step-by-step explanation:
Answer:
see attached
Step-by-step explanation:
Triangle ABC reflected over line l into triangle A'B'C'