A*b*sin(c) / 2
8*21*sin(68)=77.88 or rounded 77.9
The hypotenus square is equivalent to the sum of the square of base and perpendicular.
Answer:
I need te picture of the shape to solve this
Step-by-step explanation:
Answer:
The answer is in the "step by step" below (image)
Step-by-step explanation:
Answer:
1.5 hours or 90 minutes
Step-by-step explanation:
384 km: 4 hours
divide both sides by 4
96 km: 1 hour
multiply both sides by 1.5
144 km: 1.5 hours