Page 137 - Maths Skill - 6
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Symmetry 135
ASSESSMENT TIME
COMPETENCY BASED QUESTIONS 3. A square has four lines of symmetry.
A. Multiple-Choice Questions
4. An equilateral triangle has three lines of
1. An equilateral triangle has: symmetry.
(i) no line of symmetry 5. A rectangle has two lines of symmetry.
(ii) one line of symmetry
(iii) three lines of symmetry D. Case Study Based Questions
(iv) two lines of symmetry Meena and Rachna are two friends. They decided
to research on Maths topic “Symmetry in real
2. The letter D is symmetrical with: life”. They observe symmetry around us in many
(i) three lines of symmetry forms. For example, trees reflected in crystal clear
(ii) two lines of symmetry water and the feathers of a Peocock and the wings
(iii) one line of symmetry of butterflies and dragon flies have identical left and
right side. Pyramids of Egypt is one of the example
(iv) none of these of symmetry. If we stand with our backs to the mirror
3. A line segment is symmetrical about its: and face an object that is in front of the mirror. Then
(i) perpendicular bisector image of an object as seen in a mirror is its mirror
reflection or mirror image.
(ii) angle bisector Answer the following questions on the basis of
(iii) end points the above data.
(iv) none of these (a) Which line of symmetry does the following
4. Which of the following has only one line of figures have?
symmetry? (i)
(i) rectangle (ii) square
(iii) semicircle (iv) rhombus
(ii)
B. Fill in the Blanks
1. A _________ has exactly two lines of symmetry.
2. An isosceles triangle has _________ axis of (iii)
symmetry.
3. The line at which the two halves of a figure
coincide each other is called the _________. (b) Complete the figure to make it symmetrical
4. Linear symmetry and _________ are linked to along the line of symmetry.
each other.
5. A hexagon has _________ lines of symmetry.
C. Write ‘T’ for true and ‘F’ for false statements
1. A rhombus has four lines of symmetry.
2. A circle has no line of symmetry.
