Suggested Answer
Step-by-step explanation:1.) The first shape is a parallelogram like prism, So we use Area of prism= Area of base shape*heightthat is, Area of base shape= rectangle,L*B35*14=490*height490*24=11760 cm32.)A rectangle base prism,Area of prism= Area of base shape*heightArea of Base shape=27*14378cm2*217938cm33.)Square based prism,Area of prism= Area of base shape*height=21*21*21 (since all sides are the same) =9261cm3