All ________ triangles are similar.
Isosceles
Equilateral
Scalene
None of these
If P is a point outside the circle, then the number of tangents from P to the circle is
0
1
2
3
Figures of same size and same shape are
Congruent
Similar
Both 1 and 2
Determine the length of a tangent to a circle with radius 5 cm, draw from a point at a distance to 13 cm, from the centre of the circle.
13 cm
12 cm
14 cm
15 cm
In Δ ABC and Δ DEF, ∠ B = ∠ E, ∠ F = ∠ C and AB = 2 DE, then two triangles are
Equal
Equivalent
From a point Q, the length of the tangent to a circle is 24 cm and the distance of Q from the centre is 25 cm, then the radius of the circle is
7 cm
24.5 cm
If two triangles are similar such that ratio of their areas is 25 : 361. THen ratio of corresponding medians is
5 : 19
1 : 6
5 : 29
15 : 19
Two circles touch externally at a point P. From a point T on a common tangent PT, tangent segments TA and TB are drawn to the two circles. Then TA =
PB
TB
OB
2 TB
16 : 10
1 : 16
1 : 4
4 : 10
A tangent PT at a point T of a circle of radius 8 cm meets a line through the centre O at a point P so that OP = 17 cm. Then, the length of PT is
8.5 cm
10 cm
