C-14-Q117mediumsingle_mcq

When an object rotates about a fixed point, what does NOT change is its —

aposition
borientation
cshape and size
dsurroundings

ব্যাখ্যা

Rotation is a rigid (congruent) transformation, so the figure's shape and size stay unchanged; only its position and orientation about the centre shift.

এই অধ্যায়ের আরও প্রশ্ন

C-14-Q118The fixed point about which rotation occurs is the —
C-14-Q119The angle through which a figure turns during rotation is the —
C-14-Q120A full turn means rotation by —
C-14-Q121A half turn means rotation by —
C-14-Q122A four-bladed fan rotating by at a time has rotational symmetry of order —
C-14-Q123A square has rotational symmetry of order —
C-14-Q124Every geometrical object has a rotational symmetry of order at least —
C-14-Q125The positive direction of rotation is conventionally —
C-14-Q126If a figure has rotational symmetry of order , the smallest angle of rotation is —
C-14-Q127A figure of order has smallest angle of rotation —

Ratio, Similarity and Symmetry — সব প্রশ্ন দেখুন (160টি) →