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Question
secondary 2 | Maths
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Find the total surface area of the solid.
The answer is supposed to be 5400 cm^2 but I’m repeatedly getting 5040 cm^2. Can you help me with the full workout?
Thanks :)
Date Posted: 4 years ago
Views: 629
4 rectangular side faces + bottom square face + 4 triangular faces
50 x 20 x 4 + 20 x 20 + 4 x ½ x 26 x 20
= 4000 + 400 + 1040
= 5440
50 x 20 x 4 + 20 x 20 + 4 x ½ x 26 x 20
= 4000 + 400 + 1040
= 5440
See 1 Answer
done
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Hope this helps, key points in pink
Date Posted:
4 years ago
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