Answer:
1. b and g 2.a end e 3. d and f 4. g and h
Step-by-step explanation:
bottom =80m^2
Side =50m^2
triangle = 3 ×8 ×5
see below
342 m/s * 1.09361329834 yd /m * 1 mile / 1760 yards = .21251 mi/s
1500 mi / hr * 1609.344 meters / mile * 1 km / 1000 m = 2414 km/hr