WGU D128 2026/2027 Mathematics for Elementary Educators Exam Formulas Questions and

WGU D128 ( 2026/2027) Mathematics for Elementary Educators Exam Formulas Questions and Answers

WGU D128 ( 2026/2027) Mathematics

for Elementary Educators Exam Formulas

Questions and Answers

Correct

Q: scalene triangle

Answer:

no equal sides

Q: quadrilateral

Answer:

a four-sided polygon with interior angles adding to 360 degrees

Q: Parallelogram

Answer:

A quadrilateral with two pairs of parallel sides

Q: square

Answer:

A quadrilateral with 4 sides that are equal and has all 90 degree angles

Q: rectangle

Answer:

a parallelogram with 4 right angles

Q: Rhombus

Answer:

A parallelogram with four congruent sides.

Q: Trapezoid

Answer:

A quadrilateral with exactly one pair of parallel sides

Q: isosceles trapezoid

Answer:

a trapezoid whose nonparallel opposite sides are congruent

Q: kite

Answer:

a quadrilateral with two pairs of adjacent sides congruent and no opposite sides congruent

Q: Hypotenuse

Answer:

the side of a right triangle opposite the right angle

Q: legs of a right triangle

Answer:

the sides adjacent to the right angle

Q: Pythagorean Theorem

Answer:

a²+b²=c²

Q: acute angle on a right triangle

Answer:

90 degrees

Q: circle

Answer:

The set of all points in a plane that are the same distance from a given point called the center

Q: diameter

Answer:

the distance across a circle through its center

Q: Radius

Answer: