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प्रश्न
Try to construct triangles using match sticks. Some are shown here.
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Can you make a triangle with 3 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.
उत्तर
This is an acute angle triangle and it is possible with 3 matchsticks to make a triangle because sum of two sides is greater than third side.
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संबंधित प्रश्न
Construct triangle ABC, when: AB = BC = 5 cm and AC = 3 cm. Measure angles A and C. Is ∠A = ∠C?
Construct traingle ABC, when : AC = 6 cm, ∠A = 60“ and ∠C = 45°. Measure AB and BC.
Construct traingle ABC, when : AB = 5.4 cm, ∠A = 30° and ∠B = 90°. Measure ∠C and side BC.
In the following figure, triangle ABC is equilateral and triangle PBC is isosceles. If PBA = 20°; find angle BPC.
Construct a triangle PQR, given PQ = 6 cm, ∠P = 60° and ∠Q = 30°. Measure angle R and the length of PR.
Observe the figure below and write the type of the triangle based on its angles.
Δ PQR is ... triangle
Observe the figure below and write the type of the triangle based on its angles.
Δ XYZ is ... triangle
Name the type of following triangle :
ΔXYZ with m∠Y = 90° and XY = YZ.
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 |
Try to construct triangles using match sticks. Some are shown here.
|
|
|
Can you make a triangle with 4 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.
