Properties of polygons

The diagonals of a rectangle are

• parallel

• congruent

• perpendicular

• not congruent

In the rectangle shown, angle 1 has a measure of 35 degrees. Which statement about angles 1 and 2 is true?

• They are supplementary angles.

• They are complementary angles.

• They are congruent angles.

• They are right angles.

Which shaded triangle would generate a cone with a diameter of 8 units and a height of 8 units when rotated about the y-axis?

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Which shaded triangle would generate a cone with a diameter of 16 units and a height of 8 units when rotated about the y-axis?

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Triangle ABC  is on the coordinate grid below.

What is the slope of the altitude from vertex C to segment  AB whose points are A(-2,7) and B(3,0)?

HINT: Step 1. Find the slope of AB

Step 2: Switch the sign

3. switch the numerator (number on top) with the denominator ( number down)

• 5/7

• -5/7

• 7/5

• -7/5

How many sides does a Quadrilateral have?

• 4
• 3
• 6
• 9

The Formula for Exterior Angles of a Regular Polygon with n sides is given by =

• 180(n-2)

• 360/(n-2)

• 360/n

• 180/n

The diagonals of a rectangle ABCD intersect at point E. If AE= 3x+5 and BD = 7x-3, What is the value of x and AC?

• x=5, and AC= 11

• x=2, and AC= 20

• x=5, and AC= 34

• x=2, and AC= 11

The diagonals of a rectangle ABCD intersect at point E. If AE= 3x+5 and BD = 7x-3, What is the value of AC?

• AC= 16

• AC= 20

• AC= 34

• AC= 11

The diagonals of a rectangle MNPQ intersect at point E. If MN= 4x+6 and

PQ = 7x-3, What is the value of x and MN?

• X=-7 and MN=18

• X=3 and MN=27

• X=2 and MN=19

• X=3 and MN=18