Math, asked by Komalkj7, 1 year ago

Find the surface area of a box whose length,breadth and height are 18cm , 15cm and 9cm.Also find the length of the diagonal.

Answers

Answered by dishabucha
1

Answer:

Step-by-step explanation:

l=18 , b=15 , h=9

Diagonal = /h²+b²+l²

=/(9)²+(15)²+(18)²

=/81+225+324

=/630

Tsa= 2(lb+bh+hl)

=2(18×15 + 15×9 + 9×18)

=2(270+135+162)

=2(567) =1134cm²

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Answered by ROLLY001
1

Answer:

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