Math, asked by aranghar012, 10 months ago

surface area of cube​

Answers

Answered by Hiteshbehera74
1

Surface area is defined as total area of all three surfaces, a cube has 6 surfaces hence it's surface area will be 6(side)²

Answered by MrImpeccable
26

{\bf{\huge{\underline{\boxed{\red{\mathcal{Answer}}}}}}}

 \setlength{\unitlength}{4mm}\begin{picture}(10,6)\thicklines\put(0,1){\line(0,1){10}}\put(0,1){\line(1,0){10}}\put(10,1){\line(0,1){10}}\put(0,11){\line(1,0){10}}\put(0,11){\line(1,1){5}}\put(10,11){\line(1,1){5}}\put(10,1){\line(1,1){5}}\put(0,1){\line(1,1){5}}\put(5,6){\line(1,0){10}}\put(5,6){\line(0,1){10}}\put(5,16){\line(1,0){10}}\put(15,6){\line(0,1){10}}\put(4.6,-0.5){\bf\large a cm}\put(13.5,3){\bf\large a cm}\put(-4,5.8){\bf\large a cm}\end{picture} \\

TSA of cube =  6*a^2

Learn More:

  • Volume of cylinder = πr²h

  • T.S.A of cylinder = 2πrh + 2πr²

  • Volume of cone = ⅓ πr²h

  • C.S.A of cone = πrl

  • T.S.A of cone = πrl + πr²

  • Volume of cuboid = l × b × h

  • C.S.A of cuboid = 2(l + b)h

  • T.S.A of cuboid = 2(lb + bh + lh)

  • C.S.A of cube = 4a²

  • T.S.A of cube = 6a²

  • Volume of cube = a³

  • Volume of sphere = (4/3)πr³

  • Surface area of sphere = 4πr²

  • Volume of hemisphere = ⅔ πr³

  • C.S.A of hemisphere = 2πr²

  • T.S.A of hemisphere = 3πr²
Similar questions