Irregular
It can be either
An equilateral triangle is a regular shape because it has 3 equal sides.
No because an equilateral triangle is a regular polygon whereas an obtuse triangle is irregular
A rhombusA regular pentagonAn irregular pentagon.A rhombusA regular pentagonAn irregular pentagon.A rhombusA regular pentagonAn irregular pentagon.A rhombusA regular pentagonAn irregular pentagon.
irregular
A regular triangle would have all angles equal, each being 60o. Thus a right angled triangle is an "irregular" triangle in that one of its angles is 90o which is not 60o.
A scalene triangle is irregular. Only an equilateral triangle is regular.
It is irregular
Irregular
It can be either
A triangle is only a regular triangle in the form of an equilateral triangle
A triangle is a polygon. It can be regular or irregular. If it's regular, then all three sides are the same length, and it's called an "equilateral triangle". If all three sides aren't the same length, then it's an irregular polygon.
An equilateral triangle is a regular shape because it has 3 equal sides.
it is irregularIt is irregular although it has two equal sides
An equilateral triangle is a regular shape because it has 3 equal sides.
It is irregular as not all the sides have the same length.