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?
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
The given triangles are congruent by RHS - which of the following is correct?
In an isosceles triangle , if the vertex angle is twice the sum of the base angles, then the angles of the triangle are:
120^{o}, 30^{o} , 30^{o}
100^{o} , 40^{o} , 40^{o}
100^{o}, 50^{o} , 30^{o}
80^{o} , 50^{o}, 50^{o}
In the given figure AB = AC = AD , ∠B = 23^{o} and ∠D = 47^{o}. Then ∠BCD =
24^{o}
20^{o}
110^{o}
70^{o}
In fig: AB = AC and DB = DC , then ∠ABD : ∠ACD =
1 : 1
1 : 2
2 : 1
2 : 2
If ∠P = ∠R and PQ is more than 5 cm but less than 6 cm. Length of QR is
4.8 cm
5.7 cm
6.5 cm
6 cm