If two triangles are congruent, they have
the same shape
the same size
the same size and the same shape
no similarity
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, B=90o; if AC= m; BC=n; then AB=
√(m2+n2)
m+n
m2-n2
√(m2- n2)
If Δ ABC is similar to ΔDEF; then EF=
5
5.5
3.6
4
ΔABC ~ΔPQR; If AB =3.6, PQ= 2.4 and PR= 5.4, then AC=
8.1
5.4
7.8
Given MN|| BC; ΔABC and ΔANM are
Non -similar
Congruent
Equal in area
Similar
The triangle with sides m2+n2, m2-n2, 2 mn is
Isosceles
Right angled isosceles
Right angled
Equilateral
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
From the above figure, x=
14
18
12
10.5
ΔABC ~ΔPQR; If AB = 6; BC = 4; AC = 8 and PR = 6; then PQ + QR =
7.5
8.5
9