One of the base angles of an isosceles triangle is 40o then the vertex angle is?
100o
80o
40o
50o
In an isosceles triangle if a base angle is twice the vertical, calculate the angles of the triangle
36o,72o , 72o
36,36,72o
72o, 72o ,72o
80o, 100o ,72o
In ΔABC, AC = BC. Then value of x is
10
9
20
cannot be determined
In the given figure AB = AC = AD, ∠B = 23o and ∠D = 47o. Then ∠BCD =
24o
110o
20o
70o
The vertex angle of an isosceles triangle is 50o then the base angles are?
65o
55o
In ΔABC, AB = AC and ∠B is more than 30o but less than 45o .Then m∠C cannot be
33o
37o
41o
30o
In the adjoining figure, ∠ ABC = ∠BDC = 90o & BD = DC then the value of ∠DBC is
45o
60o
90o
In the adjoining figure ∠BAC = 40o then the value of ∠ACD is
120o
In an isosceles triangle if the vertex angle is twice the sum of the base angle, then the angles of the triangle are?
45o,45o, 90o
90o,45o, 90o
150o, 30o ,45o
30o, 30o,120o
If AB = AC and ∠A = 50o. Then measure of ∠ABC is