Complete the following table:

Shapes Rough Figure Number of lines of symmetry

(i) Scalene triangle 0

(ii) Isosceles triangle 1

(iii) Equilateral triangle

(iv) Rectangle

(v) Square

(vi) Parallelogram

(vii) Rhombus

(viii) Line

(ix) Line segment

(x) Angle

(xi) Isosceles trepezium

(xii) Kite

(xiii) Arrow-head

(xiv) Semi-circle

(xv) Circle

(xvi) Regular pentagon

(xvii) Regular hexagon

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Solution

Shapes Rough Figure Number of lines of symmetry

(i) Scalene triangle 0

(ii) Isosceles triangle 1

(iii) Equilateral triangle 3

(iv) Rectangle 2

(v) Square 4

(vi) Parallelogram 0

(vii) Rhombus 2

(viii) Line Infinitely many

(ix) Line segment 1

(x) Angle 1

(xi) Isosceles trapezium 1

(xii) Kite 1

(xiii) Arrow-head 1

(xiv) Semi-circle 1

(xv) Circle Infinitely many

(xvi) Regular pentagon 5

(xvii) Regular hexagon 6

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Similar questions

Fill in the blanks:

Shape	Centre of Rotation	Order of Rotation	Angle of Rotation
Square	-	-	-
Rectangle	-	-	-
Rhombus	-	-	-
Equilateral Triangle	-	-	-
Regular Hexagon	-	-	-
Circle	-	-	-
Semi-circle	-	-	-

Match the shapes mentioned in column 1 with the number of lines of symmetry it exhibits.
$\begin{matrix} S h a p e s & Line of Symmetry (a) Equilateral triangle & (i) 2 (b) Square & (ii) 3 (c) Circle & (iii) 4 (d) Rectangle & (iv) Infinite (e) Regular Pentagon & (v) 5 \end{matrix}$

$l$ Queston 67

Match the following:

$\begin{matrix} Shape & Number of lines symmetry (i) & Isosceles triangle & (a) & 6 (i i) & Square & (b) & 5 (i i i) & Kite & (c) & 4 (i v) & Equilateral triangle & (d) & 3 (v) & Rectangle & (e) & 2 (v i) & Regular hexagon & (f) & 1 (v i i) & Scalene triangle & (g) & 0 \end{matrix}$

Q. Complete the following table:

Pressure	Force	Area
a. _________	50 N	5 cm²
b. 15 N/cm²	__________	5 cm²
c. 5 N/m²	500 N	_________
d. _________	750 N	25 cm²
e. 80 N/m²	800 N	_________
f. 45 N/m²	__________	10 m²
g. _________	200 N	10 cm²
h. 5 N/m²		20 m²
i. 20 N/m²	400 N	_________

Q. Match the compounds in column I with the correct formula in column II.

Column I	Column II
a. hydrochloric acid	i. NaOH
b. slaked lime	ii. H₂SO₄
c. sulphuric acid	iii. H₂SO₃
d. nitric acid	iv. Ca(OH)₂
e. sodium hydroxide	v. H₂CO₃
f. calcium carbonate	vi. HCl
g. baking soda	vii. HNO₃
h. sulphurous acid	viii. CaCO₃
i. carbonic acid	ix. NaHCO₃

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Shapes	Rough Figure	Number of lines of symmetry
(i) Scalene triangle		0
(ii) Isosceles triangle		1
(iii) Equilateral triangle
(iv) Rectangle
(v) Square
(vi) Parallelogram
(vii) Rhombus
(viii) Line
(ix) Line segment
(x) Angle
(xi) Isosceles trepezium
(xii) Kite
(xiii) Arrow-head
(xiv) Semi-circle
(xv) Circle
(xvi) Regular pentagon
(xvii) Regular hexagon