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হোম›নবম-দশম শ্রেণি›English Version›Mathematics›Chapter 16: Mensuration›C-16-Q158

C-16-Q158mediumsingle_mcq

Cylinder of radius $5$ cm and height $753.98$ cm has total surface area approximately —

a $377.0$ sq cm
b $534.07$ sq cm
c $628.32$ sq cm
d $753.98$ sq cm

ব্যাখ্যা

Using $2\pi r(r+h)$ with $r=5$ , $h=12$ : $2\pi\times 5\times 17=170\pi\approx 534.07$ sq cm.

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এই অধ্যায়ের আরও প্রশ্ন

C-16-Q159A rectangle cm by cm is revolved about its longer side. The solid formed is a —
C-16-Q160The curved surface area of a right circular cylinder is sq cm and its volume is cu cm. The radius is —
C-16-Q161With curved area and volume , the height of the cylinder is approximately —
C-16-Q162Inner and outer diameters of an iron pipe are cm and cm; height m. With density g/cm³, weight (kg) is approxim
C-16-Q163Outer measurements of a box (with top) are cm; inner total surface area is sq cm. The outer volume is —
C-16-Q164With outer and inner surface , the wall thickness is —
C-16-Q165A rhombus has each side cm and one diagonal cm. Its other diagonal is —
C-16-Q166The area of a rhombus with side cm and one diagonal cm is —
C-16-Q167A square has side cm. Its diagonal is —
C-16-Q168The perimeter of a square of side cm is —

Chapter 16: Mensuration — সব প্রশ্ন দেখুন (210টি) →