Unit 7 Test Review

A ​ (a)   has diagonals that form right angles, bisect each other, and are congruent.

A ​ (b)   has diagonals that form right angles and bisect each other.

A ​ (c)   has diagonals that are congruent and bisect each other.

A ​ (d)   has diagonals that bisect each other.

A ​ (e)   has diagonals that do not bisect each other.

• Rectangle
• Parallelogram
• Trapezoid
• Rhombus
• Square
• I don't know
• I'm not sure

Which statements are true?

• Some quadrilaterals are squares.

• All parallelograms are rectangles.

• Some rhombi are rectangles.

• All trapezoids are parallelograms.

Which statements are true?

• Squares have 4 equal sides

• Parallelograms have congruent diagonals

• Parallelograms have bisecting diagonals

• Rhombi have congruent diagonals

Which of these are Parallelograms?

Groups:

(a) Parallelograms

,

(b) Not Parallelograms

• Square

• Rhombus

• Trapezoid

• Rectangle

Polygon ABCD is a quadrilateral. Which of the following pieces of information would prove that ABCD is a rectangle?

• ∠A = ∠C and ∠D = ∠B

• ∠A, ∠D, ∠C, and ∠B are right angles

• AB ≅ DC and BC ≅ AD

• ∠A = ∠D = ∠C = ∠B

• All sides of ABCD are congruent

In rectangle PQRS, m∠1 = 50°. What is the measure of ∠2?

In parallelogram ABCD, AB = 7 centimeters and the perimeter (all sides added up) of ABCD is 30 centimeters. What is the length of AD?

• 7 cm

• 8 cm

• 14 cm

• 23 cm

• 12 cm

If the area of a square is 100, then what is the perimeter?

(Hint: First, determine the side length)

In parallelogram ABCD, angles are formed with the diagonal shown. What is the measure of ∠DCB?

Luke’s horse corral, labeled ABCD in the drawing, is shaped as a parallelogram and is adjacent to the triangular shed, labeled ZAD. If a gate, labeled CF, opens at the way to the corral fence, position labeled CG, through how many degrees does the gate swing?