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 ΔABC , AC = BC. Then value of x is
9
10
20
Cannot be determined
Two circles are congruent if
Their chords are equal
Their sectors are equal
Their radii are equal
Their arcs are equal
In the given figure AC = AD and B is the midpoint of CD. Which of the following statement is correct?
In ΔABC , AB = AC and ∠B is more than 30o, but less than 45o. Then ∠C cannot be
33o
37o
41o
30o
If the altitudes of a triangle are equal, then it is:
Isosceles
Equilateral
Scalene
Isoceles right triangle
Two line segments are congruent if
Their lengths are equal
Their width are equal
Number of end points are equal
Any one of the above three is equal
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
Which of the following is not the possible sides of a triangle?
4,5,6
10,11,12
12,14,16
2,3,7
