Question

1. Name the following triangles on the basis of sides as well as on the
basis of angles.
(b)
(a)
A
(c)
4 cm
4 cm
ON
B
C
B
С
B
C
(d)
A
(e) A
4 cm
B.
3 cm
3 cm
3 cm
5 cm
B
3 cm
C​

Answer 1

Answer:

(a) Scalene Triangle , Obtuse angle triangle

(b) Isosceles triangle

(c) Right angles triangle

(d) Equilateral triangle

(e) right angled triangle, acute angled triangle, and scalene Triangle.

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Answer 2

Given : -

Name the following triangles on the basis of sides as well as on the basis of angles.

Step-by-step Explanation : -

(a) Obtuse-angled triangle.

(b) Isosceles Triangle.

(c) Right angled Triangle.

(d) Equilateral Triangle.

(e) Scalene Triangle and Right- angled triangle

________________________

On the Basis of Sides : -

1. Scalene Triangle = A triangle having all three unequal sides is called a Scalene Triangle.

2. Isosceles Triangle = A triangle having two equal sides is called an Isosceles Triangle.

3. Equilateral Triangle = A triangle having three equal sides is known as Equilateral Triangle.

On the Basis of Angles : -

1. Acute-angled Triangle = A triangle each of whose angle is less than 90° , is known as Acute-angled Triangle.

2. Right-angled Triangle = A triangle whose one angles is of 90° , is known as Right-angled triangle.

3. Obtuse-angled Triangle = A triangle one of whose angles is greater than 90° , is known as Obtuse-angled Triangle.