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 in triangle ABC and DEF , AB/DE = BC/FD ,then they will be similar ,when
Figure of same size and same shape are
Congruent
Similar
Both 1 and 2
None of these
If ABC is an acute angles triangle ,acute angled at B and
AB2 + BC2 - 2BC.BD
AB2 + BC2
AB2 + AC2 + 2BC.BD
AB2 + AC2
All ______ triangles are similar .
Iso sceles
Equilateral
Scalene
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
ED / TU
FD/SU
Both (1) and (2)
The areas of two similar triangles are respectively 9 cm2 and 16 cm2 .The ratio of their corresponding side is
9:16
2:3
16:10
1:16
1:4
4:10
