Download Always, Sometimes, Never Triangle

An isosceles
triangle has one
line of symmetry
1
An isosceles
triangle has no
rotational
symmetry
2
A triangle can
have either one,
two or three lines
of symmetry
3
An triangle can
have no lines of
symmetry
4
An triangle can
have rotational
symmetry of
order 2
5
An right-angled
triangle has one
line of symmetry
6
The hypotenuse
is always
opposite the
right angle
7
The sloping side
is the
hypotenuse
8
Right-angled
triangles have
two equal sides
9
Double the lengths
of the triangle’s
sides = double the
size of the angles
10
The area of a
triangle can be
found using the
1
formula A  2 bh
.
11
The area of a
triangle is always
greater than its
perimeter
12
2
4
6
1
A = × 2× 6
2
13
6
2
4
1
A = × 4×2
2
14
a
b
c
2
2
2
c = a +b
15
10
17
x
sin x  1 7
16
tan x  1 7
17
x
10
17
ALWAYS
18
SOMETIMES
19
NEVER
20
ALWAYS
18
An isosceles
triangle has one
line of symmetry
20
An triangle can
have no lines of
symmetry
1
An right-angled
triangle has one
line of symmetry
4
tan x  1 7
The sloping side
is the
hypotenuse
17
6
17
A=
1
× 4×2
2
An triangle can
have rotational
symmetry of
order 2
A=
1
× 2× 6
2
15
5
The area of a
triangle can be
found using the
formula A  21 bh
4
6
c 2 = a2 + b2
2
10
2
c
7
3
14
b
An isosceles
triangle has no
rotational
symmetry
Double the lengths
of the triangle’s
sides = double the
size of the angles
2
4
12
a
A triangle can
have either one,
two or three lines
of symmetry
9
6
10
The hypotenuse
is always
opposite the
right angle
18
Right-angled
triangles have
two equal sides
The area of a
triangle is always
greater than its
perimeter
x
8
NEVER
SOMETIMES
.
13
11
10
17
x
sin x  1 7
16
21