Topics
9. Polygons
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United States of AmericaVirginia
Geometry

9.04 Trapezoids

Lesson
Practice
Adaptive
Worksheet

Interactive practice questions

Select two correct statements about the diagonals of an isosceles trapezoid.

The diagonals of an isosceles trapezoid are congruent.

A

The diagonals of an isosceles trapezoid do not bisect each other.

B

The diagonals of an isosceles trapezoid bisect each other.

C

The diagonals of an isosceles trapezoid are not congruent.

D
Easy
< 1min

Consider the following trapezoid.

Medium
2min

Consider the following trapezoid.

Medium
< 1min

Consider the following trapezoid.

Medium
< 1min
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Outcomes

G.PC.1

The student will prove and justify theorems and properties of quadrilaterals, and verify and use properties of quadrilaterals to solve problems, including the relationships between the sides, angles, and diagonals.

G.PC.1a

Solve problems, using the properties specific to parallelograms, rectangles, rhombi, squares, isosceles trapezoids, and trapezoids.

G.PC.1b

Prove and justify that quadrilaterals have specific properties, using coordinate and algebraic methods, such as the slope formula, the distance formula, and the midpoint formula.

G.PC.1c

Prove and justify theorems and properties of quadrilaterals using deductive reasoning.

G.PC.1d

Use congruent segment, congruent angle, angle bisector, perpendicular line, and/or parallel line constructions to verify properties of quadrilaterals.

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