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Answers
Answers:
a) Scalene triangle
b) Scalene triangle
c) Equilateral triangle
d) Right angled triangle
e) Right angled isosceles triangle*
f) Acute angled triangle
Knowledge Bytes:
→ Classification of Triangles
Triangles are classified into two types:
▶ On the basis of their angles
▶ On the basis of the length of their sides
✳ On the basis of their angles
→ Acute angled triangle
A triangle with all the angles below 90° is known as an acute angled triangle.
→ Right angled triangle
A triangle with one angle equal to 90° is known as a right angled triangle.
→ Obtuse angled triangle
A triangle with one angle of measure more than 90° is known as an obtuse angled triangle.
✳ On the basis of the length of their sides
→ Scalene triangle
A triangle with the three sides of different lengths is known as a scalene triangle.
→ Isosceles triangle
A triangle with two sides of equal length is known as an isosceles triangle.
→ Equilateral triangle
A triangle with all the three sides of equal length is known as an equilateral triangle.