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Question 410630: 7. Which angle or angles are complementary to AOF ?
(1 point)
COE and FOB
AOC and DOF
BOC and EOF
AOB and DOE
8. Which drawing shows the construction of a perpendicular bisector? (1 point)
Classify the triangle by its sides.
9. Triangle LPQ has side lengths of 12, 12, and 16. (1 point)
scalene triangle
equilateral triangle
isosceles triangle
scalar triangle
10. (1 point)
isosceles triangle
equilateral triangle
scalene triangle
none of these
11. Classify the quadrilateral.
(1 point)
square
rectangle
rhombus
trapezoid
12. The two rectangular rooms shown below are congruent. The architect did not finish the diagrams. Find the missing side lengths and angle measures.
(1 point)
c = 25 ft; d = 18ft; h = 180°; g = 180°
c = 25 ft; d = 18 ft; h = 90°; g = 90°
c = 18 ft; d = 25 ft; h = 180°; g = 180°
c = 18 ft; d = 25 ft; h = 90°; g = 90°
13. Use the circle. Name all the diameters.
(1 point)
Use the circle.
14. Identify the diameter(s) of circle O.
(1 point)
15. Identify the chord(s) of circle O. (1 point)
,
16. Identify all the central angles. (1 point)
17. For circle O, name all the arcs shorter than a semicircle. (Hint! Don't let your eyes fool you. Use the information on page 384 of the Course 2 online textbook)
(1 point)
CAD, CA, CDB, DB, DA
CA, CB, DB, DA
CAD, CA, CB, DB, DA
ACB, CA, CB, DB, DA, ADB
18. Listed in the table is the percent of sixth grade students who chose each kind of juice at lunch time.
Use the table above. Find the measure of the central angle you would draw to represent orange juice in a circle graph. (1 point)
54°
30°
108°
90°
19.
Find the values of x, y, and z. (1 point)
x = 54°; y = 126°; z = 28°
x = 82°; y = 75°; z = 28°
x = 82°; y = 98°; z = 0°
x = 82°; y = 98°; z = 28°
20. Identify the polygon and classify it as regular or irregular.
(1 point)
hexagon; irregular
hexagon; regular
pentagon; irregular
pentagon; regular
Short Answer
Note: your teacher will grade your responses to 21–28 to ensure you receive proper credit for your answers.
21. The map shows some streets in downtown San Francisco.
a. Name the streets that are parallel to Golden Gate.
b. Name the streets that intersect 6th street.
c. Are there any skew lines? Explain.
(2 points)
22. The measure of angle C is 60.4°. Find the measures fo the complement and supplement of angle C.
(Hint: When submitting your answer, label each angle as either the complement or the supplement. Be sure to give the unit, degrees, for each angle.) (2 points)
23. Four streets enter a traffic circle at points A, B, C, and D. Name six arcs formed by the streets and traffic circle.
(2 points)
24. Classify the angle as acute, right, obtuse, or straight.
The measure of angle A is 17°. (2 points)
25. A firefighter places a ladder agaisnt a building. The ladder forms a 47° angle with the ground. What is the measure of the angle between the ladder and the building?
(2 points)
26. Find the measure of l.
(2 points)
Essay
27. Name and describe four types of quadrilaterals. (4 points)
Answer by richard1234(7193)   (Show Source):
You can put this solution on YOUR website! Please don't post your whole homework into one question...I recommend you look at your book or online for examples of each problem, and post whichever ones you can't solve. Also, there is no need to write down how many points each question is worth.
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