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Question
Try to construct triangles using match sticks. Some are shown here.
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Can you make a triangle with 5 matchsticks?
(Remember you have to use all the available matchsticks in each case) Name the type of triangle in each case. If you cannot make a triangle, think of reasons for it.
Solution
This is an acute angle triangle and it is possible to make a triangle with five matchsticks, in this case, sum of two sides is greater than third side.
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Match the following:
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Measures of Triangle |
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Type 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 |
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(vii) |
1 right angle with two sides of equal length |
(g) | Isosceles |
