A pennant is a real life example of an isosceles triangle.
An umbrella.
Any pythagorean triangle with unequal legs.
An equilateral triangle is a triangle in which all three sides are equal. The yield sign on highways is an equilateral triangle.
The only example that I can think of is a slide.
The yield signs on highways are equilateral.
the peak of a roof often forms an obtuse triangle.
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
The roof truss of a building with a low ridge roof.
people playing sports-angle of legs, arm, ect
3/4 = 9/12
A right angle triangle always has 2 acute angles within it.