C-16-Q183mediumsingle_mcq

The diagonal of a face of a cube equals $a\sqrt{2}$ where $a$ is the side. The body diagonal is —

For a cube, the body (space) diagonal $= \sqrt{a^2+a^2+a^2} = a\sqrt{3}$ , combining the three equal edges. Hence it equals .

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এই অধ্যায়ের আরও প্রশ্ন

C-16-Q184The volume of a cube of side cm is —
C-16-Q185A rectangle in width-to-length and perimeter m has length —
C-16-Q186Width of the rectangle in the previous problem is —
C-16-Q187Area of the rectangle (, perimeter m) equals —
C-16-Q188A parallelogram and a rectangle have the same base and the same height. Then —
C-16-Q189The shortest distance between two parallel sides of a parallelogram on the base —
C-16-Q190Each side of a regular hexagon is cm. Its perimeter is —
C-16-Q191With each side cm, the area of a regular hexagon equals approximately —
C-16-Q192A rectangular plot has length m and area sq m. The width is —

a\sqrt{3}

a\sqrt{6}

a\sqrt{3}