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Geometry

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Ila Harris

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Cards in this guide (22)
What is a concave quadrilateral

A concave quadrilateral would be a non-convex quadrilateral.

* * * * *

Also known as delta or arrowhead or chevron.

Is a Trapezoid a polygon

Yes, it has sides that are straight line segments. Exactly one pair of opposite sides is parallel. Polygons do not have curved sides.

If one diagonal of a quadrilateral bisects the other when is the quadrilateral a parallelogram

In this case, the quadrilateral is sometimes a parallelogram.

What information is needed to conclude that ABCD is a parallelogram

x = 65 or y = 115 (a+)

go gila ridge hawks!

Angle pairs are located at vertices of a quadrilateral

consecutive\adjacent

Which of these quadrilaterals has only one pair of parallel sides

trapezoid

Which of these shapes has four right angles and two pairs of congruent sides

rectangle

Abcd is a quadrilateral angle a equals 40 degrees and angle b equals 150 degrees could abcd be a trapezoid

never

Quadrilateral ABCD is a parallelogram Which two angles below are supplementary

a and d

Abcd is a quadrilateral in which angle a equals 40 degrees and angle b equals 150 degrees could abcd be a parallelogram

never

Quadrilateral abcd is a parallelogram in which angle a equals 40 degrees quadrilateral abcd could also be called a

none of these answers are correct

Quadrilateral abcd is a parallelogram is side ab equal to side CD

always

If both diagonals of a quadrilateral bisect each other when is the quadrilateral a parallelogram

always

A parallelogram has ----- pairs of sides that are parallel

A parallelogram has 2 pairs of parallel sides.

In this parallelogram the measure of b is twice the measure of a What is the measure of d

The measure of D is 120.

Which of these shapes is always equiangular a rectangle a rhombus a trapezoid a parallelogram

a rectangle

In this parallelogram the measure of b exceeds the measure of a by 30 what is the measure of d

105

In this parallelogram the measure of b is twice the measure of a what is the measure of B is twice the measure of A What is the measure of A

The measure of A is 60.

The measure of each interior angle of a convex quadrilateral is more than 180 degrees

Yes

What is a line segment conecting two vertices of a polygon called

Adjacent vertices: side

Non-adjacent: diagonal

What is the Isosceles Triangle Theorem in Geometry

The Isosceles Triangle Theorem:

  • If two sides of a triangle are congruent, then the angles opposite the sides are congruent.

The Converse of Isosceles Triangle Theorem:

  • If two angles of a triangle are congruent, then the sides opposite those angles are congruent.
What figures has four sides

square, quadrilateral

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