cm. Find the surfacearea of the figure.
First find the lateralarea of the figure.Now use the formulafor the area of a regularpolygonto find the area of the base.Finally, add thesetogetherto find the total surfacearea.Estimatethe Volumeof a Pyramidand Prism
Whichhas a greatervolume,a prismor a pyramid,if the two havethe samebaseand height?To find out,
compareprismsand pyramidsthat havecongruentbasesand the sameheight.
Hereis a basefor a triangularprismand a triangularpyramid.Both figureshavethe sameheight.Compare
the two figures.Whichone appearsto havea greatervolume?