( a) Find the lateral area (in square meters) of the prism. (b) Find the total area (in square meters) of the prism. (Round your answer to three decimal places.)
(c) Find the volume (in cubic meters) of the prism. (Round your answer to three decimal places.)

( a) Find the lateral area (in square meters) of the prism.

the lateral area=perimeter of triangle ×height=

(4+5+6)×8=120m²

(b) Find the total area (in square meters) of the prism. (Round your answer to three decimal places.)

total surface area=lateral surface area +2crossed section area=120+2×(1/2×4×5) =120+10=130m²

(c) Find the volume (in cubic meters) of the prism.

volume of prism=area of base×height=1/2×4×5×8=80m³

first one is a: renaming a fraction. second one is c: de-c

step-by-step explanation:

my explanation is that these were the answers on edg : )

if a = 1,   and b = 2, then the answer is 47.99999999. if you round that to the nearest whole number, the answer is 48.