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WGU D128 MATHEMATICS FOR
ELEMENTARY EDUCATORS OA
QUESTIONS AND ANSWERS 2025
What is the length of the missing leg in a right triangle with a
hypotenuse of 25 in. and a leg of 9 in.? - correct answer- 4√34
in.
A scalene Triangle has - correct answer- no congruent sides
Find the distance between points (0, 4) and (15, 0) by applying
the Pythagorean theorem. - correct answer- 15.52
A circle has a diameter of 12.8 ft. What is the area of this
circle? - correct 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? - correct answer-
4.03 cm
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A directional sign can be best described as which type of
polygon? - correct answer- rectangle
A quadrilateral has four congruent sides and diagonals that are
perpendicular. - correct 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? - correct answer- A23
What is the triangle rotated 90 degrees about the origin? -
correct answer- The triangle now sits in the upper left corner
Which shows a dilation of the figure below? - correct answer-
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? - correct answer- < EFD
WGU D128 MATHEMATICS FOR
ELEMENTARY EDUCATORS OA
QUESTIONS AND ANSWERS 2025
What is the length of the missing leg in a right triangle with a
hypotenuse of 25 in. and a leg of 9 in.? - correct answer- 4√34
in.
A scalene Triangle has - correct answer- no congruent sides
Find the distance between points (0, 4) and (15, 0) by applying
the Pythagorean theorem. - correct answer- 15.52
A circle has a diameter of 12.8 ft. What is the area of this
circle? - correct 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? - correct answer-
4.03 cm
, 2 | Page
A directional sign can be best described as which type of
polygon? - correct answer- rectangle
A quadrilateral has four congruent sides and diagonals that are
perpendicular. - correct 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? - correct answer- A23
What is the triangle rotated 90 degrees about the origin? -
correct answer- The triangle now sits in the upper left corner
Which shows a dilation of the figure below? - correct answer-
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? - correct answer- < EFD
