Advertisements
Advertisements
प्रश्न
Fill in the blank to make the following statement true:
An exterior angle of a triangle is equal to the two ....... opposite angles.
Advertisements
उत्तर
An exterior angle of a triangle is equal to the two interior opposite angles.
APPEARS IN
संबंधित प्रश्न
If the bisector of the exterior vertical angle of a triangle be parallel to the base. Show that the triangle is isosce
Is the following statement true and false :
All the angles of a triangle can be greater than 60°.
Is the following statement true and false :
A triangle can have two obtuse 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 :
20°, 70°, and 90°
Find the unknown marked angles in the given figure:

S is any point on side QR of a ∆PQR. Show that: PQ + QR + RP > 2PS.
Which two triangles have ∠B in common?
How is a vertex of triangle △ABC most accurately defined?
