Advertisements
Advertisements
प्रश्न
Find the measure of each angle of an equilateral triangle.
Advertisements
उत्तर
In equilateral triangle we know that each angle is equal
So ∠A = ∠B = ∠C
Now ∠A + ∠B + ∠C = 180° (by triangle property)
3∠A = 180°
∠A = 60°
Hence. ∠A = ∠B = ∠C = 60°
APPEARS IN
संबंधित प्रश्न
Complete the congruence statement:
ΔBCA ≅?
ΔQRS ≅?

ΔPQR and ΔABC is not congruent to ΔRPQ, then which of the following is not true:
In the given figure, the measure of ∠B'A'C' is

In ΔTPQ, ∠T = 65°, ∠P = 95° which of the following is a true statement?
In the pair of triangles given below, the parts shown by identical marks are congruent. State the test and the one-to-one correspondence of vertices by which the triangles in the pair are congruent, the remaining congruent parts.

If the following pair of the triangle is congruent? state the condition of congruency :
In ΔABC and ΔDEF, ∠B = ∠E = 90o; AC = DF and BC = EF.
In the given figure, prove that:
(i) ∆ ACB ≅ ∆ ECD
(ii) AB = ED

In the figure, BC = CE and ∠1 = ∠2. Prove that ΔGCB ≅ ΔDCE.
In ΔABC, AB = AC and the bisectors of angles B and C intersect at point O.Prove that BO = CO and the ray AO is the bisector of angle BAC.
In the figure, ∠BCD = ∠ADC and ∠ACB =∠BDA. Prove that AD = BC and ∠A = ∠B.
