Plato/Edmentum Questions and Answers
1.Rounded to the nearest tenth, what is the perimeter of the triangle?
(30,60,90 hypotenuse = 5cm)
Answer 11.8 centimeters
2.What is the value of x in the triangle?
Answer 3
3.First, drag a value to represent the missing angle in the triangle. Then,
complete the trigonometry equality statements.
Answer missing angle = 90 - theta sin 28 = cos 62
cos 33 = sin 57
cos 31 = sin 59
cosine 90 - theta = sin(theta)
4.On a football field, the left and right tackles are lined up on the same yard
line. A linebacker is 15 yards away from that yard line. The angles of the lines
of sight of the tackles to the linebacker that are made with the yard line are
shown in the diagram. Approximately how far apart are the left and right
tackles?
Answer 39.3 yards
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, 5.An airplane departs airport A at a heading of 300 (N 60W). After traveling
320 miles, the airplane adjusts its course to 350 (N 10W) and flies an
additional 112 miles to reach airport B.
Answer 401 miles
6.Triangle XYZ has an altitude as shown. Eric and Maggie are both trying
to prove the law of sines.
Answer correctly started by both Eric and Maggie
set the right side of the equation equal
transitive property of equality
7.In the diagram, point M is the center of the circle. If mPMN = 134°, what
is mPON?
Answer 67
8.In the given figure, what is the measure of angle CPE?
Answer [X] 68
9.The length of an arc of a circle is 7.34 units, and the measure of the
corresponding central angle is 81°. What is the approximate length of
the radius of the circle?
Answer 5.19 units
10.Circle O has radius of 24 units. Arc XY located on the circle has a central
angle of 75. What is the area of the associated sector, in square units?
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