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 bisectors of the base angles of a triangle enclose an angle of 135°, prove that the triangle is a right triangle.
Can a triangle have two right angles? Justify your answer in case.
Is the following statement true and false :
Sum of the three angles of a triangle is 180 .
Fill in the blank to make the following statement true:
An exterior angle of a triangle is always ......... than either of the interior opposite angles.
In the given figure, side BC of ΔABC is produced to point D such that bisectors of ∠ABC and ∠ACD meet at a point E. If ∠BAC = 68°, find ∠BEC.

Find, giving a reason, the unknown marked angles, in a triangle drawn below:

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.
8.4 cm, 16.4 cm, 4.9 cm
The angles of a triangle are in the ratio 2 : 3 : 4. Then the angles are
In the following figure, ∠BAC = 90° and AD ⊥ BC. The number of right triangles in the figure is ______.

What is common in the following figure?
![]() |
![]() |
| (i) | (ii) |
Is figure (i) that of triangle? if not, why?


