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Do regular pentagons have non-congruent angles?
Yes
Are all sides of a pentagon congruent?
Sometimes. For a regular pentagon, all the sides and interior angles are congruent. However, this isn't the case for some pentagons.
Are all pentagons similar?
No, similar pentagons (or any polygon for that matter) must have corresponding congruent angles and all sides must be proportional to its corresponding sides. For example, if a square with a triangle on it is a pentagon, then a regular pentagon would not be similar to it (because corresponding angles are not congruent).
How would you describe the face on an dodecahedron?
I assume you mean a regular dodecahedron. A regular dodecahedron has twelve faces, each of which are regular* pentagons. *(all sides are congruent, all angles are congruent)
What are 2 similar pentagons?
Two pentagons that have corresponding angles congruent. First equals the first, second equals the second and so forth.
What kind of angles are always congruent?
All right angles are congruent, and all straight angles are congruent.
Are all angles in a trapezoid congruent?
No, not all angles in a trapezoid are congruent. A trapezoid may have two pairs of congruent angles, or may have no congruent angles.
Do pentagons have right angles?
No, pentagons to not have right angles.
What quadrilaterals has all angles are congruent?
Rectangles have all angles congruent,
Are pentagons congruent?
Some are some are not. Two regular pentagons with one equal side are congruent.
What polygon has all angles congruent?
a polygon that has all angles congruent is an equiangular .....
Are pentagons always regular?
Pentagons do not have to be regular. Elongating one side will skew two angles and make them non congruent with the other three, creating an irregular polygon.
