6. A square based pyramid is placed on a square based prism with the s

1.	6. A square based pyramid is placed on a square based prism with the samebase 14 cm. If the height of the priam to 9 cm and height of the pyramid is7 cm, find the total surface area of the solid obtained by joining them.
Answer» Step-by-step explanation: TSA of solid = TSA square base pyramid + TSA of prism TSA of pyramid = 4× 2 1 ×AE×CD+(14) 2 = (2×7 2 ×14)+196 = 196( 2 +1)CM 2 = 472.36cm 2 TSA of Prism =LSA+2(areaofbase) = (Perimeter of base × H) + 2(14) 2 = (4×14×9)+392 = 504+392=896cm 2 ∴ TSA of solid =472.36+896 = 1368.36cm 2 solution

6. A square based pyramid is placed on a square based prism with the samebase 14 cm. If the height of the priam to 9 cm and height of the pyramid is7 cm, find the total surface area of the solid obtained by joining them.

Answer»

Step-by-step explanation:

TSA of solid = TSA square base pyramid + TSA of prism

TSA of pyramid = 4×

×AE×CD+(14)

= (2×7

×14)+196

= 196(

+1)CM

= 472.36cm

TSA of Prism =LSA+2(areaofbase)

= (Perimeter of base × H) + 2(14)

= (4×14×9)+392

= 504+392=896cm

∴ TSA of solid =472.36+896 = 1368.36cm

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6. A square based pyramid is placed on a square based prism with the samebase 14 cm. If the height of the priam to 9 cm and height of the pyramid is7 cm, find the total surface area of the solid obtained by joining them.​

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6. A square based pyramid is placed on a square based prism with the samebase 14 cm. If the height of the priam to 9 cm and height of the pyramid is7 cm, find the total surface area of the solid obtained by joining them.