WGU D128 MATHEMATICS FOR ELEMENTARY
EDUCATORS OA| latest update
2025/26|COMPREHENSIVE QUESTIONS AND
VERIFIED ANSWERS (100% Correct solutions)
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
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
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'? -CORRECT
ANSWER (12,24)
Given ABCD ~ WXYZ, which of the following is true? -CORRECT ANSWER BC~ XY
EDUCATORS OA| latest update
2025/26|COMPREHENSIVE QUESTIONS AND
VERIFIED ANSWERS (100% Correct solutions)
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
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
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'? -CORRECT
ANSWER (12,24)
Given ABCD ~ WXYZ, which of the following is true? -CORRECT ANSWER BC~ XY
