Advertisements
Advertisements
प्रश्न
Fill in the blank to make the following statement true:
A triangles cannot have more than ......obtuse angles.
Advertisements
उत्तर
A triangle cannot have more than one obtuse angle
As the sum of all the angles of a triangle is 180°. So, if the triangle has more than one obtuse angle the sum would exceed 180°.
APPEARS IN
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 :
A triangle can have two right angles.
In Δ ABC, BD⊥ AC and CE ⊥ AB. If BD and CE intersect at O, prove that ∠BOC = 180° − A.
In ΔABC, ∠B = ∠C and ray AX bisects the exterior angle ∠DAC. If ∠DAX = 70°, then ∠ACB =
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.
Classify the following triangle according to angle:

The length of the sides of the triangle is given. Say what types of triangles they are 4.3 cm, 4.3 cm, 4.3 cm.
The angles of a triangle are in the ratio 2 : 3 : 4. Then the angles are
Q is a point on the side SR of a ∆PSR such that PQ = PR. Prove that PS > PQ.
