Measures of Triangle | Types of Triangle |
(i) 3 sides of equal length | (a) Scalene |
(ii) 2 sides of equal length | (b) Isosceles right angled |
(iii) All sides are of different length | (c) Obtuse angled |
(iv) 3 acute angles | (d) Right angled |
(v) 1 right angle | (e) Equilateral |
(vi) 1 obtuse angle | (f) Acute angled |
(vii) 1 right angle with two sides of equal length | (g) Isosceles |
Answer:
We know that, A triangle having three equal sides is called an equilateral triangle. A triangle having two equal sides is called an isosceles triangle. A triangle having all sides unequal is called a scalene triangle In a triangle, if each angle is acute angle then triangle is, called an acute angled triangle. If a triangle has a right angle, then it is called a right angled triangle. If a triangle has an obtuse angle, then it is an obtuse angled triangle. If a triangle has a right angle and two equal sides is called an isosceles right angled triangle. So, required matching is shown as below :
(i) 3 sides of equal length (e) Equilateral (ii) 2 sides of equal length (g) Isosceles (iii) All sides are of different length (a) Scalene (iv) 3 acute angles (f) Acute angled (v) 1 right angle (d) Right angled (vi) 1 obtuse angle (c) Obtuse angled (vii) 1 right angle with two sides of equal length (b) Isosceles right angled
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