In figure, if , B = 40° and C = 60°, then BDA =
30°
50°
80°
40°
From a point Q, the length of the tangent to a circle is 24 cm and the distance of Q from the center is 25 cm. The radius of the circle is
7 cm
12 cm
15 cm
24.5 cm
If tangents PA and PB from a point P to a circle with center O are inclined to each other an angle of 80°, then POA is equal to
60°
70°
Sides of two similar triangles are in the ratio 4 : 9. Areas of those triangles are in the ratio
2 : 3
4 : 9
81 : 16
16 : 81
If a vertical stick 12 m long casts a shadow 8 m long on the ground and at the same time a tower casts a shadow 40 m long on the ground, then the height of the tower is
40 m
50 m
75 m
60 m
Determine the length of a tangent to a circle with radius 5 cm, drawn from a point at a distance of 13 cm, from the center of the circle.
13 cm
14 cm
In triangles ABC and DEF, B = E, C = F, then
From a point P, the length of the tangent to a circle is 15 cm and distance of P from the center of the circle is 17 cm. Then the radius of the circle is
8 cm
6 cm
4 cm
10 cm
If P is a point outside the circle, then the number of tangents from P to the circle is
0
1
2
3
Which of the following statement is false?
All congruent figures are similar
All similar figures are congruent
Equivalent triangles are similar
All the rectangles are not similar