ΔABC ~ΔPQR; If AB =3.6, PQ= 2.4 and PR= 5.4, then AC=
3.6
8.1
5.4
7.8
The area of an equilateral triangle of side a cm is
(√3/ 4) a2
(1/2) a2
(√3/2 )a3
(√3/2 )a
In ΔABC, if is a right angle, then
a2= b2+c2
b2= c2+a2
c2= a2+b2
a2>b2+c2
4.5
3
2.4
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
ΔABC ~ΔPQR; If AB = 6; BC = 4; AC = 8 and PR = 6; then PQ + QR =
7.5
8.5
9
10.5
If Δ ABC is similar to ΔDEF; then EF=
5
5.5
4
In ΔABC, BC2+AB2 = AC2 then _________ is a right angle.
A
B
C
None of these
The triangle with sides m2+n2, m2-n2, 2 mn is
Isosceles
Right angled isosceles
Right angled
Equilateral
In ΔABC, if then
b2= a2+c2
b2> a2+c2
b2< a2+c2
a2> b2+c2
