Understanding Rectangles

Which of the following is a property of a rectangle?

• All sides are equal

• Diagonals are perpendicular

• All angles are acute

• Opposite sides are congruent

What is true about the angles in a rectangle?

• They are all complementary

• They are all right angles

• They are all acute

• They are all obtuse

In a rectangle, if one side is 5x + 4 and the opposite side is 13, what is the value of x?

• 3

• 1

• 4

• 2

If the length of side AB in a rectangle is 5x + 4 and x is found to be 1, what is the length of AB?

• 5

• 9

• 10

• 12

What is the measure of each angle in a rectangle?

• 45 degrees

• 90 degrees

• 60 degrees

• 120 degrees

In a rectangle, if angle 1 is 50 degrees, what is the measure of angle 3?

• 70 degrees

• 60 degrees

• 50 degrees

• 40 degrees

If two angles in a triangle are 50 degrees each, what is the measure of the third angle?

• 90 degrees

• 60 degrees

• 50 degrees

• 80 degrees

What is true about the diagonals of a rectangle?

• They are congruent

• They are parallel

• They are perpendicular

• They are unequal

If the diagonals of a rectangle are congruent, what can be said about the segments they form?

• They are parallel

• They are congruent

• They are perpendicular

• They are unequal

In a rectangle, if one diagonal is 28 and is equal to 12y + 4, what is the value of y?

• 1

• 3

• 2

• 4