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# Are all the base angles of a trapezoid congruent?

Updated: 4/28/2022

Wiki User

13y ago

Only if it is an isosceles trapezoid otherwise no.

Wiki User

13y ago

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Q: Are all the base angles of a trapezoid congruent?
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### 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.

### How many congruent angles does an isosceles trapezoid have?

By definition, all trapezoids must have one pair of parallel sides. Therefore, an isosceles has one pair of congruent angles.

### What is a quadrilateral that has 4 congruent sides but no congruent angles?

I can't find a name for it but an example would be a trapezoid. Some might have congruent angles but not all do.

### If the base angles of a triangle are congruent then the triangle is isosceles?

It will be either isosceles or equilateral. It is equilateral if all of the angles are congruent.

### Are base angles of an isosceles trapezoid are supplementary?

they are all complementary

### Are two triangles are congruent if they have the same base?

No. All corresponding sides and angles have to be congruent for the triangles to be congruent.

### Does an isosceles trapezoid have all congruent sides?

Opposites sides of an isosceles trapezoid are congruent

### Is a trapezoid an irregular polygon?

Yes, the only four-sided regular polygon is a square, because all of its angles and sides are congruent. This does not apply to a trapezoid, so it is irregular.

### What shape has one pair of parallel sides with no sides being congruent and the angles all being different?

I think a trapezoid.

### What kind of angles are always congruent?

All right angles are congruent, and all straight angles are congruent.

### Are The base angles of all trapezoids equal in measure?

Only when it is an isosceles trapezoid otherwise no.

no