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What is the surface area of a rectangular prism that is 24 inches long 4 inches wide and 5 inches high?
Surface area of a rectangular prism = 2 x (length x width + width x height + height x length → surface area = 2 x (24 in x 4 in + 4 in x 5 in + 5 in x 24 in) = 472 sq in.
What is surface area of a cuboid 8 x 5 x 4?
184
What is surface area of a cuboid 8 x 5 x 2.5?
Surface area = 2*(8*5 + 5*2.5 + 2.5*8) = 2*(40 + 12.5 + 20) = 2*72.5 = 145 square units.
What is the surface area of a cylinder with a radius of 5 and a height of 8?
2*pi*r*h+2*pi*r2=2*pi*5*8+2*pi*52 = 130pi Which is approx 408.40704...... The surface area of each of the two ends is pir2. The surface area of the curved surface is 2pirh. pi = 3.1416 r = 5 h = 8 Plug the values into the formulas. Each end surface area = 3.1416 X 52 = 78.54 Area of both of the two ends combined = 78.54 X 2 = 157.08 Curved surface area = 2 X 3.1416 X 5 X 8 = 251.328 Add the ends surface areas and curved surface area 157.08 + 251.328 = 408 rounded to the nearest whole number.
How do you find the surface area of a solid that is 8cm tall 9cm long and 5cm wide?
This is a cuboid so it has six sides. The surface area is the sum of the areas of the sides. Opposite sides are the same. So we have: 2 sides of area 8 x 9 centimetres squared 2 sides of area 8 x 5 centimetres squared 2 sides of area 9 x 5 centimetres squared That's a total of 314 centimetres squared.
