A pennant is a real life example of an isosceles triangle.
A roof (:
The hands of a clock at 5 o'clock
The yield signs on highways are equilateral.
the peak of a roof is a good one it is mostly obtuse
An umbrella.
the peak of a roof often forms an obtuse triangle.
people playing sports-angle of legs, arm, ect
A real life example of a right-angled triangle would be a ladder leaning against a wall. And a acute triangle is an example of a umbrella. Some types of an umbrella are divided into a few sections using triangles edit by: A.B
A pennant is a real life example of an isosceles triangle.
A roof (:
Roof of a house
the rooftops of most houses or buildings
The hands of a clock at 5 o'clock
An Obtuse angle is more than 90° but less than 180°. Real life examples would be fans, and most rooftops of houses and buildings.
Some charts? Buildings Obtuse triangle - some of them are diagonal.
Any pythagorean triangle with unequal legs.