WGU D128 2026 PRACTICE EXAM SCRIPT
SOLVED QUESTIONS GRADED A+
◉Which type of transformation are these figures an example of? .
Answer: Dilation
◉A circle has an area of approximately 615.75 in 2. What is the
circumference of the circle? . Answer: 87.96 inches
◉What is the area of this figure? . Answer: 63 square units
◉A triangular window has an area of 600 in 2. The base of the
window is three times its height. What is the length of the base of
the window? . Answer: 60 in.
◉A gardener has a rectangular garden with an area of 374 yd 2. The
length of the garden is 17 yd. The gardener wants to enlarge the
garden by doubling only the width of the current garden. How much
fencing will the gardener need to enclose the new garden? . Answer:
122 yd
, ◉A teacher is making a game of ring toss for her class. She starts by
using a circle with a diameter of 10 in. and then cuts out a smaller
circle with a diameter of 6 in., leaving a ring as shown in the given
image. . Answer: 50.27 sq. cm
◉What is the approximate capacity of a spherical water tank with a
radius of 7 ft? . Answer: 1,436 ft 3
◉A cylinder has a volume of 484π in. 3 and a height of 4 in. What is
the radius of the cylinder? . Answer: 6.21 inches
◉A cylinder has a volume of 600 in 3. Find the volume of a cone with
the same radius and height as the cylinder. . Answer: 200 cubic
inches
◉How many square centimeters of sheet metal are required to
manufacture a can with a radius of 3.5 cm and a height of 8 cm
without overlapping? . Answer: 252.77 cm 2
◉What is the surface area of a sphere with a diameter of 14 in.? .
Answer: 615.44 in 2
◉Find the surface area of a rectangular prism with a length of 3 in., a
width of 4 in., and a height of 5 in. . Answer: 94 in 2
SOLVED QUESTIONS GRADED A+
◉Which type of transformation are these figures an example of? .
Answer: Dilation
◉A circle has an area of approximately 615.75 in 2. What is the
circumference of the circle? . Answer: 87.96 inches
◉What is the area of this figure? . Answer: 63 square units
◉A triangular window has an area of 600 in 2. The base of the
window is three times its height. What is the length of the base of
the window? . Answer: 60 in.
◉A gardener has a rectangular garden with an area of 374 yd 2. The
length of the garden is 17 yd. The gardener wants to enlarge the
garden by doubling only the width of the current garden. How much
fencing will the gardener need to enclose the new garden? . Answer:
122 yd
, ◉A teacher is making a game of ring toss for her class. She starts by
using a circle with a diameter of 10 in. and then cuts out a smaller
circle with a diameter of 6 in., leaving a ring as shown in the given
image. . Answer: 50.27 sq. cm
◉What is the approximate capacity of a spherical water tank with a
radius of 7 ft? . Answer: 1,436 ft 3
◉A cylinder has a volume of 484π in. 3 and a height of 4 in. What is
the radius of the cylinder? . Answer: 6.21 inches
◉A cylinder has a volume of 600 in 3. Find the volume of a cone with
the same radius and height as the cylinder. . Answer: 200 cubic
inches
◉How many square centimeters of sheet metal are required to
manufacture a can with a radius of 3.5 cm and a height of 8 cm
without overlapping? . Answer: 252.77 cm 2
◉What is the surface area of a sphere with a diameter of 14 in.? .
Answer: 615.44 in 2
◉Find the surface area of a rectangular prism with a length of 3 in., a
width of 4 in., and a height of 5 in. . Answer: 94 in 2
