In Rhombus MNOP, MN = 24, and NO = 2x + 6. What is the value of x?
x = 9
Name the 2 properties that the diagonals of a rectangle have.
They are congruent and bisect each other.
True or False. All squares are rectangles.
True
Can a rhombus be a rectangle? If so, draw a picture. If not, explain why not.
Yes, it would look like a square. It has all the properties of a rhombus and rectangle.
In rectangle ABCD, AC = 7x and BD = 3x + 20. What is the value of x?
x = 5.
True or False. All rectangles are squares.
False
What is the sum of the exterior angles of an octagon
360 degrees
In rhombus ABCD, diagonals AC and BD intersect at E. If the measure of angle BAD = 72, what is the measure of angle CED?
Angle CED = 54, use the right triangles, and the fact that the angles bisect the corner angles.
In rectangle ABCD, the diagonals intersect at E. AE = 4x + 20, BC = 7x + 12 and DE = 8x + 4. What is the value of x?
x = 4
Name the polygon whose interior angles sum up to 1800 degrees
dodecagon
Name the 3 properties that the diagonals of a rhombus have.
diagonals bisect each other diagonals are perpendicular diagonals bisect the angles
What do the sides of a rectangle add up to?
The SIDES could ADD to anything. ( The angles add to 360. )
One side of a square is 5 cm. What is the length of the diagonal of the square?
5 radical 2 ( 5 times the square root of 2 )
What is the measure of 1 interior angle of a regular quadrilateral.
90 degrees
In rhombus ABCD, the diagonals are drawn and intersect at E. If AC = 20, and BD = 48, what is the measure of AB?
Use the fact that the diagonals bisect each other and are perpendicular. Each right triangle has legs of 10 and 24. Use the pythagorean theorem to figure out that AB = 26.
If the area of a rectangle is 60 and one side length is 12. What is the measure of the diagonal.
13
The diagonal of a square is 6 cm. What is the length of one side of the square? Leave your answer in simplest radical form.
The square root of 18, which is 3 radical 2.