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CBSE Class 9 Answered

What will be the surface area ,lateral surface area and diagonal of cuboid.whose length=square root of three , breath=square root of seven and the height=square root of eleven??
Asked by dhyeyvachani26.tl | 12 Apr, 2020, 04:10: PM
answered-by-expert Expert Answer
TO find the lateral surface area, total surface area and diagonal of a cuboid.
l equals square root of 3 comma space b equals square root of 7 comma space h equals square root of 11 L a t e r a l space s u r f a c e space a r e a space equals space 2 h left parenthesis l plus b right parenthesis equals 2 cross times square root of 11 open parentheses square root of 3 plus square root of 7 close parentheses equals 2 open parentheses square root of 33 plus square root of 77 close parentheses T o t a l space s u r f a c e space a r e a space equals space 2 open parentheses l b plus b h plus l h close parentheses space equals space 2 open parentheses square root of 3 square root of 7 plus square root of 7 square root of 11 plus square root of 3 square root of 11 close parentheses equals 2 open parentheses square root of 21 plus square root of 77 plus square root of 33 close parentheses D i a g o n a l equals square root of l squared plus b squared plus h squared end root equals square root of 3 plus 7 plus 11 end root equals square root of 21
Answered by Renu Varma | 13 Apr, 2020, 03:02: PM

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