In each case, if possible, stand for the line/ currently of symmetry by dotted lines. Also, write the special name that the triangle drawn.

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Solution:

(i) Scalene triangle: It has no line of symmetry

(ii) Isosceles triangle: It has actually one line of symmetry as presented

(iii) it is not possible

(iv) it is intended triangle: It has three lines of the opposite


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Chapters in CONCISE mathematics - middle School - 7

Integers

Rational Numbers

Fractions (Including Problems)

Decimal fractions (Decimals)

Exponents (including regulations of Exponents)

Ratio and also Proportion (Including share in a Ratio)

Unitary technique (including Time and also Work)

Percent and Percentage

Profit, Loss and also Discount

Simple Interest

Fundamental principles (Including basic Operations)

Simple linear Equations (Including native Problems)

Set ideas (Some basic Divisions by Vedic Method)

Lines and Angles (Including construction of angles)

Triangles

Pythagoras Theorem

Symmetry (Including Reflection and Rotation)

Recognition the Solids (Representing 3-D in 2-D)

Congruency: Congruent Triangles

Mensuration

Data Handling

Probability



Exercises in symmetry (Including Reflection and Rotation)
Exercise 17(A)
Exercise 17(B)
Exercise 17(C)
inquiry 4

Q4) attract a triangle v

(i) no line of symmetry,

(ii) just one line of symmetry,

(iii) precisely two lines of symmetry,

(iv) precisely three currently of symmetry,

(v) an ext than 3 lines of symmetry.

In each case, if possible, represent the line/ lines of the contrary by dotted lines. Also, write the distinct name the the triangle drawn.

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Solution:

(i) Scalene triangle: It has no heat of symmetry

(ii) Isosceles triangle: It has one heat of the opposite as shown

(iii) the is not possible

(iv) equilateral triangle: It has three lines of the opposite


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