Advertisements
Advertisements
प्रश्न
Is the following statement true and false :
A triangle can have two obtuse angles.
पर्याय
True
False
Advertisements
उत्तर
A triangle can have two obtuse angles.

According to the angle sum property of the triangle
In ΔABC
∠A + ∠B + ∠C = 180°
Now, if a triangle has two obtuse angles
Then,
∠A + ∠B + ∠C = 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.
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.
In the given figure, AM ⊥ BC and AN is the bisector of ∠A. If ∠B = 65° and ∠C = 33°, find ∠MAN.

The sum of two angles of a triangle is equal to its third angle. Determine the measure of the third angle.
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
Classify the following triangle according to angle:

O is a point in the interior of a square ABCD such that OAB is an equilateral triangle. Show that ∆OCD is an isosceles triangle.
Can we have two acute angles whose sum is a right angle? Why or why not?
Can we have two acute angles whose sum is an obtuse angle? Why or why not?
