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प्रश्न
Fill in the blank to make the following statement true:
Sum of the angles of a triangle is ....
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उत्तर
Sum of the angles of a triangle is 180°.
As we know, that according to the angle sum property, sum of all the angles of a triangle is 180°.
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संबंधित प्रश्न
In a ΔABC, ∠ABC = ∠ACB and the bisectors of ∠ABC and ∠ACB intersect at O such that ∠BOC = 120°. Show that ∠A = ∠B = ∠C = 60°.
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 :
All the angles of a triangle can be less than 60°
In the given figure, AE bisects ∠CAD and ∠B= ∠C. Prove that AE || BC.

Calculate the unknown marked angles of the following figure :

Calculate the unknown marked angles of the following figure :

In the given figure, express a in terms of b.

Can a triangle together have the following angles?
85°, 95° and 22°
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.
