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In the diagram, KL = 2 square root 2 , LM = square root 5, and MN = square root 2 .
What is the perimeter of isosceles trapezoid KLMN? - ANSWER C. 3 square root 2 + 2
square root 5 units
In the diagram, AB = 10 and AC = 2 square root 10. What is the perimeter of △ABC? -
ANSWER D. 20 + 2 square root 10 units
HIJK is a parallelogram because the midpoint of both diagonals is which means the
diagonals bisect each other. - ANSWER (1,0)
Which statement proves that parallelogram KLMN is a rhombus? - ANSWER The slope
of KM is 1 and the slope of NL is -1.
Which statement proves that the diagonals of square PQRS are perpendicular bisectors
of each other? - ANSWER The midpoint of both diagonals is 4 1/2 , 5 1/2 the slope
What is the perimeter of △LMN? - ANSWER 8 + square root 10 units
Given: ABCD is a kite. Prove:
BD bisects AC.
What is the missing reason in step 5? - ANSWER corresponding parts of congruent
triangles are congruent
Kite ABCD represents a softball field that is being built.
If AC = 48 meters, what is the perimeter of the field? - ANSWER 140 meters
Maggie puts together two isosceles triangles so that they share a base, creating a kite.
Each leg of the upper triangle measures 41 inches and each leg of the lower one
measures 50 inches.
If the length of the base of both triangles measures 80 inches, what is the length of the
kite's shorter diagonal? - ANSWER 39 inches
What is the perimeter of square ABCD? - ANSWER B. 4 square root 37
Figure ABCD is a square. Prove BD ≅ AC.
, What is the missing reason in the proof? - ANSWER all sides of a square are
congruent
The diagram shows the shape of a plot of land that Maria will use for her garden.
She needs to know the length of each side so she can buy fencing. What is the length
of line segment FJ? - ANSWER 42 feet
A 15-meter by 23-meter garden is divided into two sections. Two sidewalks run along
the diagonal of the square section and along the diagonal of the smaller rectangular
section.
What is the approximate sum of the lengths of the two sidewalks, shown as dotted
lines? - ANSWER 38.2 m
Rhombus LMNO is shown with its diagonals.
Angle MLO measures 112°. What is the measure of angle MLP? - ANSWER 56
What is the perimeter of parallelogram WXYZ? - ANSWER B. 2 square root 5 + 2
square root 17 units
Square ABCD and isosceles triangle BUC are drawn to create trapezoid AUCD.
What is the measure of angle DCU? - ANSWER 135o
The perimeter of a rhombus is 28 centimeters. What is the length of each side of the
rhombus? - ANSWER 7
The diagonals of a parallelogram are congruent. Which could be the parallelogram? -
ANSWER rectangle
In parallelogram WXYZ, WY = 12 in., XZ = 16 in., WX = 10 in., and XY = 9 in.
What is the length of line segment MX? - ANSWER 8
Given: RT ≅ TV and ST ≅ TU
Prove: RSVU is a parallelogram. - ANSWER △RTS ≅ △VTU and △RTU ≅ △VTS
Jacob is cutting a tile in the shape of a parallelogram. Two opposite angles have
measures of (6n − 70)° and (2n + 10)°.
What are the two different angle measures of the parallelogram-shaped tile? -
ANSWER 50° and 130°