Find the total surface area of the following prism

Surface area of the prism = 340 cm²

Step-by-step explanation:

Surface area of the prism given in the figure,

Surface area = Two pentagonal bases of the prism + Area of the five lateral rectangular sides

Area of the pentagonal base =

Here 'a' = apothem of the pentagon

P = Perimeter of the pentagon

P = 5×5 = 25 cm

a = 3.6 cm

Area of the pentagon =

                                    = 45 cm²

Area of a rectangular lateral side = Length × width

                                                       = 10 × 5

                                                       = 50 cm²

Area of the prism = 2(Area of pentagonal base) + 5(Area of one rectangular side)

                             = 2(45) + 5(50)

                             = 90 + 250

                             = 340 cm²

Therefore, surface area of the given prism = 340 cm²

r = 78539458390583095803458309458039485093485 or just 3

step-by-step explanation:

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step-by-step explanation:

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