A gold bar has a trapezium cross sectional area. Gold has a de city of 19.3 grams per cm^3 . Work out the mass of the gold bar

if the cross sectional area is 5 cm by 3 cm and the length is 10 cm

Answer:
Mass of gold bar = (19.3 g/cm^3) x (5 cm x 3 cm) x (10 cm)
= 11,580 g