All ______ triangles are similar .
Iso sceles
Equilateral
Scalene
None of these
If ratio of sides of two similar triangle is 5:4,then ratio of their perimeters is
3:4
5:4
1:2
4:5
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
Figure of same size and same shape are
Congruent
Similar
Both 1 and 2
Which of the following is not true
All circles are similar
All squares are similar
All equilateral triangles are similar
All quadrilaterals are similar
Which of the following are not similar figures ?
ED / TU
FD/SU
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
In the given figure DE || BC and AD:DB = 2:3The ratio of area(ΔADE) / area (ΔABC) is
25:4
4:25
4:9
9:4