WGU D128 Mathematics for Elementary Educators Pre-Assessment Questions and answers | 55 Questions with 100% Correct Answers | Verified | Latest Update
Course
WGU D128
Institution
WGU D128
What is the length of the missing leg in a right triangle with a hypotenuse of 25 in. and a leg of 9
in.? - 4√34 in.
A scalene Triangle has - no congruent sides
Find the distance between points (0, 4) and (15, 0) by applying the Pythagorean theorem. -
15.52
A circle has a diameter of 12.8 ft...
WGU D128 Mathematics for Elementary Educators Pre-Assessment Questions and answer s What is the length of the missing leg in a right triangle with a hypotenuse of 25 in. and a leg of 9 in.? - ✔✔4√34 in. A scalene Triangle has - ✔✔no congruent sides Find the distance between points (0, 4) and (15, 0) by applying the Pythagorean theorem. - ✔✔15.52 A circle has a diameter of 12.8 ft. What is the area of this circle? - ✔✔128.61 ft. A circle has a circumfer ence of 12.65 cm. Assuming π = 3.14, what is the measure of this circle's diameter? - ✔✔4.03 cm A directional sign can be best described as which type of polygon? - ✔✔rectangle A quadrilateral has four congruent sides and diagonals that are perpendicular . - ✔✔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? - ✔✔A23 What is the triangle rotated 90 degrees about the origin? - ✔✔The tr iangle now sits in the upper left corner Which shows a dilation of the figure below? - ✔✔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 triangl e? - ✔✔< 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'? - ✔✔(12,24) Given ABCD ~ WXYZ, which of the following is true? - ✔✔BC~ XY Which of the following theorems proves that two figures are similar, but not congruent? - ✔✔Angle Angle Which transformation will map (2, 5) onto ( -2, 5) - ✔✔(-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. - ✔✔(−12, 11)
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