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प्रश्न
Classify the following triangle according to angle:
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उत्तर
Since ∠MNL = 90°, and sum of two acute angle ∠M + ∠N = 30° + 60° = 90°. Hence, it is a right angled triangle.
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संबंधित प्रश्न
If one angle of a triangle is equal to the sum of the other two, show that the triangle is a
right triangle.
Can a triangle have All angles equal to 60°? Justify your answer in case.
Is the following statement true and false :
An exterior angle of a triangle is less than either of its interior opposite angles.
In a Δ ABC, the internal bisectors of ∠B and ∠C meet at P and the external bisectors of ∠B and ∠C meet at Q, Prove that ∠BPC + ∠BQC = 180°.
In Δ ABC, BD⊥ AC and CE ⊥ AB. If BD and CE intersect at O, prove that ∠BOC = 180° − A.
State, if the triangle is possible with the following angles :
60°, 60°, and 50°
In the given figure, show that: ∠a = ∠b + ∠c
(i) If ∠b = 60° and ∠c = 50° ; find ∠a.
(ii) If ∠a = 100° and ∠b = 55° : find ∠c.
(iii) If ∠a = 108° and ∠c = 48° ; find ∠b.
Can a triangle together have the following angles?
55°, 55° and 80°
The length of the three segments is given for constructing a triangle. Say whether a triangle with these sides can be drawn. Give the reason for your answer.
7 cm, 24 cm, 25 cm
O is a point in the interior of a square ABCD such that OAB is an equilateral triangle. Show that ∆OCD is an isosceles triangle.
