Advertisements
Advertisements
प्रश्न
Is the following statement true and false :
An exterior angle of a triangle is equal to the sum of the two interior opposite angles.
विकल्प
Ture
False
Advertisements
उत्तर
An exterior angle of a triangle is equal to the sum of the two interior opposite angles.

According to exterior angle theorem,
ext.x ∠CAB +∠CBA
APPEARS IN
संबंधित प्रश्न
ABC is a triangle in which ∠A — 72°, the internal bisectors of angles B and C meet in O.
Find the magnitude of ∠BOC.
In the given figure, AC ⊥ CE and ∠A : ∠B : ∠C = 3 : 2 : 1, find the value of ∠ECD.

Is the following statement true and false :
A triangle can have two right angles.
If two acute angles of a right triangle are equal, then each acute is equal to
If two sides of a triangle are 5 cm and 1.5 cm, the length of its third side cannot be ______.
In ΔPQR, If ∠R > ∠Q then ______.
Find the unknown marked angles in the given figure:

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.
One of the base angles of an isosceles triangle is 52°. Find its angle of the vertex.
One of the angles of a triangle is 65°. If the difference of the other two angles is 45°, then the two angles are
