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प्रश्न
Define a triangle.
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उत्तर
A plane figure bounded by three lines in a plane is called a triangle. The figure below represents a ΔABC, with AB, AC andBC as the three line segments.
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संबंधित प्रश्न
If the angles of a triangle are in the ratio 1: 2 : 3, determine three angles.
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If one angle of a triangle is obtuse, then it cannot be a right angled triangle.
Is the following statement true and false :
An exterior angle of a triangle is equal to the sum of the two interior opposite angles.
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In Δ ABC, BD⊥ AC and CE ⊥ AB. If BD and CE intersect at O, prove that ∠BOC = 180° − A.
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