Square. Ib square muaj plaub kab ntawm symmetry.
Puas ib lub square puas muaj qhov sib npaug?
Yog li ib lub xwmfab muaj plaub axes ntawm symmetry, vim tias muaj plaub txoj kev sib txawv los tuav nws thiab muaj cov npoo tag nrho. Ib lub voj voog muaj ntau yam axes ntawm symmetry.
Tus twg muaj axes ntawm symmetry?
Lub axis ntawm symmetry tuaj yeem yog kab rov tav, ntsug, lossis sab. Cov duab sib txawv muaj cov kab sib txawv ntawm symmetry. Lub square muaj plaub kab ntawm symmetry, ib lub duab plaub muaj 2 kab ntawm symmetry, lub voj voog muaj infinite kab ntawm symmetry thiab ib tug parallelogram tsis muaj kab ntawm symmetry.
Cov duab twg muaj 2 kab ntawm symmetry?
Rectangle . Ib daim duab plaub muaj ob kab ntawm symmetry. Nws muaj rotational symmetry ntawm kev txiav txim ob.
Yuav ua li cas tsis muaj kab ntawm symmetry?
Ib daim duab peb sab scalene, parallelogram, thiab a trapezium yog peb piv txwv ntawm cov duab uas tsis muaj kab ntawm symmetry.