The area of the right prism is 504 sq.units, the correct option is A.
The area covered by all the surfaces of a three dimensional figure is called the surface area of any object.
The figure shows a right prism
To determine the surface area, the area of the lateral surface and the base has to be calculated.
Area of the prism = Area of Rectangle ( 6 *19) + Area of Rectangle (8*19) +2 * Area of the Triangle (6*8) + Area of the rectangle at the top surface
For determining the side length of the top surface
Pythagoras theorem is applied
8² +6² = Side²
Side = 10 unit
Area of the right prism = 6 *9 + 8*19 +2 * (1/2) * 6 *8 + 10 *19
Area of the right prism = 504 sq.units.
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