EEE EEE
÷
: :
- Geometry ÷
:-.
Angle types :
Acute
angle ( always than 90°)
•
less
)
•
Right angle n 90
Obtuse
•
angle 7
( bigger than 90° , less than 180°)
◦
Straight line n 180
reflex ( bigger
•
angle c than 180°, less than 360°)
• revolution 360
of ( all triangles
ypes triangle add up to 180°)
•
Equilateral
"
Sosceles
(all angles csides) (
are the
only 2 sides are the same
equal)
/
same /
equal )
•
Scalene
( all sides are different)
, classified
triangles by angle
Right -
angled
7
✓
cute
angled
7 (
Obtuse
angled triangle
theorem of
tythagoras
2 2 2
[ hypoteneus
always
A =
b + [ A opposite the
b
sides 900 angle
↓
this is
always )
,
sides
hypotenuse
the
÷
: :
- Geometry ÷
:-.
Angle types :
Acute
angle ( always than 90°)
•
less
)
•
Right angle n 90
Obtuse
•
angle 7
( bigger than 90° , less than 180°)
◦
Straight line n 180
reflex ( bigger
•
angle c than 180°, less than 360°)
• revolution 360
of ( all triangles
ypes triangle add up to 180°)
•
Equilateral
"
Sosceles
(all angles csides) (
are the
only 2 sides are the same
equal)
/
same /
equal )
•
Scalene
( all sides are different)
, classified
triangles by angle
Right -
angled
7
✓
cute
angled
7 (
Obtuse
angled triangle
theorem of
tythagoras
2 2 2
[ hypoteneus
always
A =
b + [ A opposite the
b
sides 900 angle
↓
this is
always )
,
sides
hypotenuse
the
