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
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
12 cm
7 cm
15 cm
24.5 cm
In Δ ABC and Δ DEF, ∠ B = ∠ E, ∠ F = ∠ C and AB = 2 DE, then two triangles are
Equal
Equivalent
Similar
None of these
Figures of same size and same shape are
Congruent
Both 1 and 2
The length of the diagonal of a rectangle is 10 cm. The area of its circumscribed circle is
10 π cm2
25 π cm2
100 π cm2
50 π cm2
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
14 cm
From a point P, the length of the tangent to a circle is 15 cm and distance of P from the centre of the circle is 17 cm. Then the radius of the circle is
6 cm
8 cm
4 cm
10 cm
16 : 10
1 : 16
1 : 4
4 : 10
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 is not true?
All circles are similar
All squares are similar
All equilateral triangles are similar
All quadrilaterals are similar