If Δ ABC is similar to ΔDEF; then EF=
5
5.5
3.6
4
In ΔABC, BC2+AB2 = AC2 then _________ is a right angle.
A
B
C
None of these
Δ ABC~ ΔPQR then AB: PQ=
QR: BC
AC:PR
PR:AC
RQ:AB
Δ ABC, Δ DEF are similar by
AAA similarity
SAS similarity
SSS similarity
Basic proportionality
Which of the following statements is true?
Any two right triangles are similar
Any two rectangles are similar
A square is similar to a rectangle
Any two equilateral triangles are similar
The lengths of sides of a triangle are given. Which of the following is a right angled triangle.
3,4,6
6,6,10
8,15,17
7,24,26
The triangle with sides m2+n2, m2-n2, 2 mn is
Isosceles
Right angled isosceles
Right angled
Equilateral
If two triangles are congruent, they have
the same shape
the same size
the same size and the same shape
no similarity
In ΔABC, if then
b2= a2+c2
b2> a2+c2
b2< a2+c2
a2> b2+c2
The area of an equilateral triangle of side a cm is
(√3/ 4) a2
(1/2) a2
(√3/2 )a3
(√3/2 )a