Question

open top formula? class 9 - surface area volume​

Answer 1

open top of which shape ??

for cube it is 5a²

for cuboid it is 2(bh+hl)+lb

Answer 2

v of cylinder=

$2 \pi \: r {}^{2} h$

total S.A cylinder=

$2\pi \: r \: h ( {r + h})$

v of cuboid =

$l \times b \times h$

total S.A of coboid =

$2(lb \times bh \times hl)$

volume of cube =

$a {}^{3}$

total S.A of cube

$6a {}^{2}$