blinds or window panes
An Obtuse angle is more than 90° but less than 180°. Real life examples would be fans, and most rooftops of houses and buildings.
people playing sports-angle of legs, arm, ect
One example I know is an ice cream cone.
A right angle triangle always has 2 acute angles within it.
Real life is a real life example!
A roof (:
An angle formed as a see-saw is a real life example.
cycle foces
a wooden gate
Roof of a house
a yield sign
2 o'clock on a wristwatch.
An acute angle can be found in the shape of a corner in a room, where two walls meet to form an angle that measures less than 90 degrees.
the rooftops of most houses or buildings
it is when you like dogs
The hands of a clock at 5 to 12
The hands of a clock at 5 o'clock