WGU D128 MATHEMATICS FOR ELEMENTARY
EDUCATORS OA EXAM ALL QUESTIONS AND
CORRECT DETAILED ANSWERS
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
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
xcoordinate 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
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)
EDUCATORS OA EXAM ALL QUESTIONS AND
CORRECT DETAILED ANSWERS
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
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
xcoordinate 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
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)
