WGU - D128 - Mathematics for Elementary Educators
Verified 100% Correct!!
What is the length of the missing leg in a right triangle with a hypotenuse of 25 in. and a leg of 9
in.? - (answers)4√34 in.
A scalene Triangle has - (answers)no congruent sides
Find the distance between points (0, 4) and (15, 0) by applying the Pythagorean theorem. -
(answers)15.52
A circle has a diameter of 12.8 ft. What is the area of this circle? - (answers)128.61 ft.
A circle has a circumference of 12.65 cm. Assuming π = 3.14, what is the measure of this circle's
diameter? - (answers)4.03 cm
A directional sign can be best described as which type of polygon? - (answers)rectangle
A quadrilateral has four congruent sides and diagonals that are perpendicular. -
(answers)Rhombus
Points P (−2, 1), R (−2, −5), and Q (−6, −5) create triangle PQR, which is then translated 1 unit
down and 3 units to the right. What is the new x-coordinate of R? - (answers)A23
What is the triangle rotated 90 degrees about the origin? - (answers)The triangle now sits in the
upper left corner
Which shows a dilation of the figure below? - (answers)Enlargement by scale factor of one half
, Triangle ABC is congruent with triangle DEF. Which of the following angles in DEF is
congruent to m< BCA in the first triangle? - (answers)< EFD
A square with vertices A(2, 6) B(4, 8) C(4, 6) and D(2, 4) is dilated by a scale factor of 3 with
reference to the origin. Which of the following is the coordinate of B'? - (answers)(12,24)
Given ABCD ~ WXYZ, which of the following is true? - (answers)BC~ XY
Which of the following theorems proves that two figures are similar, but not congruent? -
(answers)Angle Angle
Which transformation will map (2, 5) onto (-2, 5) - (answers)(-x, y)
Two triangles are drawn in the coordinate plane. The vertices of the first triangle are (5, 4), (−4,
6), (−8, 9). The vertices of the second triangle are (1, 6), (−8, 8), ( x, y). Find the value of x and y
that allow these two triangles to be congruent. - (answers)(−12, 11)
An octagon in the coordinate plane is transformed.Which of the following transformations would
result in a similar figure? - (answers)(-5x, -5y)
Which type of transformation are these figures an example of? - (answers)Dilation
A circle has an area of approximately 615.75 in 2. What is the circumference of the circle? -
(answers)87.96 inches
What is the area of this figure? - (answers)63 square units
Verified 100% Correct!!
What is the length of the missing leg in a right triangle with a hypotenuse of 25 in. and a leg of 9
in.? - (answers)4√34 in.
A scalene Triangle has - (answers)no congruent sides
Find the distance between points (0, 4) and (15, 0) by applying the Pythagorean theorem. -
(answers)15.52
A circle has a diameter of 12.8 ft. What is the area of this circle? - (answers)128.61 ft.
A circle has a circumference of 12.65 cm. Assuming π = 3.14, what is the measure of this circle's
diameter? - (answers)4.03 cm
A directional sign can be best described as which type of polygon? - (answers)rectangle
A quadrilateral has four congruent sides and diagonals that are perpendicular. -
(answers)Rhombus
Points P (−2, 1), R (−2, −5), and Q (−6, −5) create triangle PQR, which is then translated 1 unit
down and 3 units to the right. What is the new x-coordinate of R? - (answers)A23
What is the triangle rotated 90 degrees about the origin? - (answers)The triangle now sits in the
upper left corner
Which shows a dilation of the figure below? - (answers)Enlargement by scale factor of one half
, Triangle ABC is congruent with triangle DEF. Which of the following angles in DEF is
congruent to m< BCA in the first triangle? - (answers)< EFD
A square with vertices A(2, 6) B(4, 8) C(4, 6) and D(2, 4) is dilated by a scale factor of 3 with
reference to the origin. Which of the following is the coordinate of B'? - (answers)(12,24)
Given ABCD ~ WXYZ, which of the following is true? - (answers)BC~ XY
Which of the following theorems proves that two figures are similar, but not congruent? -
(answers)Angle Angle
Which transformation will map (2, 5) onto (-2, 5) - (answers)(-x, y)
Two triangles are drawn in the coordinate plane. The vertices of the first triangle are (5, 4), (−4,
6), (−8, 9). The vertices of the second triangle are (1, 6), (−8, 8), ( x, y). Find the value of x and y
that allow these two triangles to be congruent. - (answers)(−12, 11)
An octagon in the coordinate plane is transformed.Which of the following transformations would
result in a similar figure? - (answers)(-5x, -5y)
Which type of transformation are these figures an example of? - (answers)Dilation
A circle has an area of approximately 615.75 in 2. What is the circumference of the circle? -
(answers)87.96 inches
What is the area of this figure? - (answers)63 square units
