No it is not , but if you add 4th top at any site => you have quadrangle with one angle equal 180 degrees. Is it correct?
This triangle is called a scalene triangle.
3 Isosceles triangle, Equilateral triangle, and Scalene triangle.
triangle
The Duke of Triangle.
The name of a triangle is dependent on the type of angles within it. If it has a right angle it is called a right triangle, if it has an obtuse angle it is an obtuse triangle, and if all three sides are acute it is an acute triangle.
a triangle
pentangle.
a quadrangle is a 4 sided shape like a square or a rectangle a triangle isn't a quadrangle because it has 3 sides not 4
You are a triangle.
A triangle
triangle
you are a triangle
triangle
yes because if is a equilateral triangle all the sides is equal but a quadrangle not so much
a triangle is a polygon with 3 sides
Triangle, dioangle, quadrangle, angle, bangle, jangel dangel,anglebangledanglejanglemanglespanglestrangletanglewanglewrangle
make it a quadrangle & divide by 2.