9 km/hr=
9000m/hr=
9000m/60mins=
9000m/3600seconds=
30m/12seconds=
10m/4seconds=
5m/2seconds
2.5m/1second
Answer:
80%
Step-by-step explanation:
A triangle solver tells you
C = 85° b ≈ 8.4 c ≈ 10.4From the sum of angles of a triangle,
C = 180° -42° -53° = 85°
From the law of sines
b = sin(53°)/sin(42°)*7 ≈ 8.355
c = sin(85°)/sin(42°)*7 ≈ 10.422
I think the answer is 381