1|Page
WGU D128 Mathematics for Elementary Educators OA
Exam 2026/2027 Actual Complete Real Verified Exam
Questions And Correct Answers (100% Verified
solutions) Already Graded A+||Newest Exam!!!
A directional sign can be best described as which type of
polygon? - Answer-rectangle
A quadrilateral has four congruent sides and diagonals
that are perpendicular. - Answer-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? - Answer-
A23
What is the triangle rotated 90 degrees about the origin? -
Answer-The triangle now sits in the upper left corner
Which shows a dilation of the figure below? - Answer-
Enlargement by scale factor of one half
,2|Page
Triangle ABC is congruent with triangle DEF. Which of the
following angles in DEF is congruent to m< BCA in the first
triangle? - Answer-< 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'? - Answer-
(12,24)
Given ABCD ~ WXYZ, which of the following is true? -
Answer-BC~ XY
Which of the following theorems proves that two figures
are similar, but not congruent? - Answer-Angle Angle
Which transformation will map (2, 5) onto (-2, 5) - Answer-
(-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. - Answer-(−12, 11)
,3|Page
An octagon in the coordinate plane is transformed.Which
of the following transformations would result in a similar
figure? - Answer-(-5x, -5y)
What is the length of the missing leg in a right triangle with
a hypotenuse of 25 in. and a leg of 9 in.? - Answer-4√34
in.
A scalene Triangle has - Answer-no congruent sides
Find the distance between points (0, 4) and (15, 0) by
applying the Pythagorean theorem. - Answer-15.52
A circle has a diameter of 12.8 ft. What is the area of this
circle? - Answer-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? -
Answer-4.03 cm
, 4|Page
Which type of transformation are these figures an example
of? - Answer-Dilation
A circle has an area of approximately 615.75 in 2. What is
the circumference of the circle? - Answer-87.96 inches
What is the area of this figure? - Answer-63 square units
A triangular window has an area of 600 in 2. The base of
the window is three times its height. What is the length of
the base of the window? - Answer-60 in.
A gardener has a rectangular garden with an area of 374
yd 2. The length of the garden is 17 yd. The gardener
wants to enlarge the garden by doubling only the width of
the current garden. How much fencing will the gardener
need to enclose the new garden? - Answer-122 yd
A teacher is making a game of ring toss for her class. She
starts by using a circle with a diameter of 10 in. and then
cuts out a smaller circle with a diameter of 6 in., leaving a
ring as shown in the given image. - Answer-50.27 sq. cm
WGU D128 Mathematics for Elementary Educators OA
Exam 2026/2027 Actual Complete Real Verified Exam
Questions And Correct Answers (100% Verified
solutions) Already Graded A+||Newest Exam!!!
A directional sign can be best described as which type of
polygon? - Answer-rectangle
A quadrilateral has four congruent sides and diagonals
that are perpendicular. - Answer-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? - Answer-
A23
What is the triangle rotated 90 degrees about the origin? -
Answer-The triangle now sits in the upper left corner
Which shows a dilation of the figure below? - Answer-
Enlargement by scale factor of one half
,2|Page
Triangle ABC is congruent with triangle DEF. Which of the
following angles in DEF is congruent to m< BCA in the first
triangle? - Answer-< 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'? - Answer-
(12,24)
Given ABCD ~ WXYZ, which of the following is true? -
Answer-BC~ XY
Which of the following theorems proves that two figures
are similar, but not congruent? - Answer-Angle Angle
Which transformation will map (2, 5) onto (-2, 5) - Answer-
(-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. - Answer-(−12, 11)
,3|Page
An octagon in the coordinate plane is transformed.Which
of the following transformations would result in a similar
figure? - Answer-(-5x, -5y)
What is the length of the missing leg in a right triangle with
a hypotenuse of 25 in. and a leg of 9 in.? - Answer-4√34
in.
A scalene Triangle has - Answer-no congruent sides
Find the distance between points (0, 4) and (15, 0) by
applying the Pythagorean theorem. - Answer-15.52
A circle has a diameter of 12.8 ft. What is the area of this
circle? - Answer-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? -
Answer-4.03 cm
, 4|Page
Which type of transformation are these figures an example
of? - Answer-Dilation
A circle has an area of approximately 615.75 in 2. What is
the circumference of the circle? - Answer-87.96 inches
What is the area of this figure? - Answer-63 square units
A triangular window has an area of 600 in 2. The base of
the window is three times its height. What is the length of
the base of the window? - Answer-60 in.
A gardener has a rectangular garden with an area of 374
yd 2. The length of the garden is 17 yd. The gardener
wants to enlarge the garden by doubling only the width of
the current garden. How much fencing will the gardener
need to enclose the new garden? - Answer-122 yd
A teacher is making a game of ring toss for her class. She
starts by using a circle with a diameter of 10 in. and then
cuts out a smaller circle with a diameter of 6 in., leaving a
ring as shown in the given image. - Answer-50.27 sq. cm
