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

According to exterior angle theorem,
ext .x = ∠CAB + ∠CBA
Since, the exterior angle is the sum of its interior angles.
Thus,
ext.x >∠CAB
ext.x >∠CBA
APPEARS IN
संबंधित प्रश्न
If the bisectors of the base angles of a triangle enclose an angle of 135°, prove that the triangle is a right triangle.
Determine the measure of each of the equal angles of a right-angled isosceles triangle.
OR
ABC is a right-angled triangle in which ∠A = 90° and AB = AC. Find ∠B and ∠C.
Is the following statement true and false :
If one angle of a triangle is obtuse, then it cannot be a right angled triangle.
In the given figure, AM ⊥ BC and AN is the bisector of ∠A. If ∠B = 65° and ∠C = 33°, find ∠MAN.

Side BC of a triangle ABC has been produced to a point D such that ∠ACD = 120°. If ∠B = \[\frac{1}{2}\]∠A is equal to
Calculate the unknown marked angles of the following figure :

Find the unknown marked angles in the given figure:

Match the following:
| Column A | Column B |
| (i) No sides are equal | Isosceles triangle |
| (ii) One right angle | Scalene triangle |
| (iii) One obtuse angle | Right angled triangle |
| (iv) Two sides of equal length | Equilateral triangle |
| (v) All sides are equal | Obtuse angled triangle |
How is a vertex of triangle △ABC most accurately defined?
How many angles are there inside a triangle?
