Question

Total surface area of cylinder of diameter 20cm and height 20cm

Answer 1

Ur ans is 1885.7...(approx.)

Answer 2

==============ⓢⓦⓘⓖⓨ

$\huge\mathfrak\red{hello...frd\:swigy\:here}$

==============ⓢⓦⓘⓖⓨ

Given ,

• diameter of cylinder = 20cm
• so radius of cylinder= 10cm

and

• height of cylinder= 20 cm

total surface area of a cylinder is T . S . A . = 2 π r h + 2 π r ^2 .

= 2 × π .10. 20+ 2.π. 10.10

= 1257.10+ 628.57

= 2885 cm square

=======================

$<marquee behaviour-move bigcolour-pink><h1>☺ThankYou✌</h1></marquee>$

·.¸¸.·♩♪♫ ⓢⓦⓘⓖⓨ ♫♪♩·.¸¸.·

___________♦♦⭐♦ ♦___________