Which of the following are similar ?
All circles
A cicle and a square
A square and a rectangle
All the above
If a line is drawn parallel to one side of a triangle intersecting the other two sides ,then the other two sides are
Equal
Perpendicular
Divided in the same ratio
Parallel
All ______ triangles are similar .
Iso sceles
Equilateral
Scalene
None of these
Which of the following is not true
All circles are similar
All squares are similar
All equilateral triangles are similar
All quadrilaterals are similar
Figure of same size and same shape are
Congruent
Similar
Both 1 and 2
The areas of two similar triangles are 121 cm2 and 64 cm2 respectively.If the median of the first triangle is 12.1 cm,the
corresponding median of the other is
9.9 cm
10.2 cm
8.8 cm
6.6 cm
The areas of two similar triangle are 81cm2 and 49 cm2 respectively.If the attitude of the first triangles is 6.3 cm then the corresponding attitude of the other is
4.9 cm
9.4 cm
49 cm
9.2 cm
If ABC is an acute angles triangle ,acute angled at B and
AB2 + BC2 - 2BC.BD
AB2 + BC2
AB2 + AC2 + 2BC.BD
AB2 + AC2
If ratio of areas of two similar triangles is 9:16 .Then ratio of their median is
3:4
1:4
4:3
3:1