Question

Find the lateral surface area and total surface area of a cuboid whose length, breadth and height are 20 cm, 10 cm and 40 cm respectively​

Answer 1

Answer:

$\sf \red{Given}$

$\sf \: Length \: =20cm$

$\sf \: Breadth = 10cm$

$\sf \: Height = 40cm$

$\sf \: To \: Find \: LSA \: And \: . TSA \: of \: Cubiod$

$\sf \: LSA \: Of \: cuboid= \red{2×h(l+b)}$

$\sf \: \red{2 \times 40(20 + 10)}$

$\sf \red{80(30)}$

$\sf \frak \red{ = 2400cm {}^{2} }$

$\sf \: TSA \: of \: cuboid \red{ =2(lb+bh+lh)}$

$\red{ \sf=2(20×10+10×40+20×40)}$

$\sf \red{ = 2(200 + 400 + 800)}$

$= \sf \red{2(1400)}$

$\sf \frak\red{ = 2800cm {}^{2} }$

Hence This is Answer.