In Δ ABC, ∠B = ∠C . Then value of x is
16
12
8
4
In ΔABC , AC = BC. Then value of x is
9
10
20
Cannot be determined
Two triangles are congruent if
They have the same shape
They have the same size
Both 1 and 2
They have equal angles
If∠Y = ∠Z , YZ = 12 cm and perimeter of Δ XYZ = 38 cm. Then length of XZ is
12 cm
13 cm
25 cm
Cannot determined
In an isosceles triangle , if the vertex angle is twice the sum of the base angles, then the angles of the triangle are:
120o, 30o , 30o
100o , 40o , 40o
100o, 50o , 30o
80o , 50o, 50o
The measure of each exterior angle of an equilateral triangle is :
60o
80o
120o
140o
In the given figure AB = AC = AD , ∠B = 23o and ∠D = 47o. Then ∠BCD =
24o
20o
110o
70o
In ΔABC , ∠A = 100o and AB = AC , then ∠B =
30o
40o
50o
Two circles are congruent if
Their chords are equal
Their sectors are equal
Their radii are equal
Their arcs are equal
Which of the following is not the possible sides of a triangle?
4,5,6
10,11,12
12,14,16
2,3,7
