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হোম›নবম-দশম শ্রেণি›English Version›Mathematics›Ratio, Similarity and Symmetry›C-14-Q146

C-14-Q146mediumsingle_mcq

The English letter "Z" has —

aline symmetry of order $1$
brotational symmetry of order $2$
cboth line and rotational symmetry
dneither line nor rotational symmetry

ব্যাখ্যা

The letter "Z" has no line of symmetry, but it looks the same after a $180^{\circ}$ turn, giving it rotational symmetry of order $2$ .

Kপূর্ববর্তী

146/160

Jপরবর্তী

এই অধ্যায়ের আরও প্রশ্ন

C-14-Q147Letter with vertical line of symmetry —
C-14-Q148Letter with horizontal line of symmetry —
C-14-Q149Letter with both horizontal and vertical line symmetry —
C-14-Q150If triangles and have proportional areas and heights, and the height of is units, then the height of is —
C-14-Q151Consider: (i) the triangle is the polygon made up of the least number of line segments; (ii) a rhombus is the
C-14-Q152Sample Q3: in the given figure, height of , base . The ratio of height to base is —
C-14-Q153Sample Q4: with height and base , the area of is —
C-14-Q154If two similar triangles have sides in the ratio , their areas are in the ratio —
C-14-Q155

The line joining the midpoints of two sides of a triangle is parallel to the third side and equals —

C-14-Q156Inversendo applied to gives —

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