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Mathematics 8 Online
OpenStudy (anonymous):

Could somebody please check my answers? Which of these is a correct step in constructing congruent angles? (2 points) Use a straightedge to draw an arc across the first arc from a leg. Use a compass to draw an arc across both the legs of the given angle. Use a compass to join points to make the new leg of the congruent angle. Use a straightedge to measure the width between the points where the first arc cuts both legs of given angle. Ben uses a compass and a straightedge to bisect angle PQR, as shown. 2. Which statement best explains why Ben uses the same width

OpenStudy (anonymous):

this is k12 right?

OpenStudy (anonymous):

o draw arcs from A and B which intersect at S? (3 points) BQ = BS when . AQ = AS when . when AS = BS and AQ = BQ. when AS = BQ and BS = AQ. My answer is C Which statement is incorrect about a drawing program? (3 points) It uses an actual compass to draw arcs and circles. It uses an intersect tool to mark any point of intersection. It creates line segments when the segment tool is selected. It can be used to move and drag labels and objects on the drawing pad. My answer is D Aaron plans to design a rafter, KN, to support the roof of a warehouse. He has to construct perpendicular to , as shown. Which statement best describes a step to construct the perpendicular ? (3 points) Join point N to any point on . Draw arcs on from points equidistant from point K. Draw arcs from two points along which are equidistant from point L. Use the same width of the compass to draw arcs on and from point K. My answer is B A simple laptop table looks as shown. The top of the table and the floor of the table are parallel with a slanted leg connecting the two surfaces. What statement is true about the angles m and n? (3 points) m = n m = n/2 m = 90˚- n m = 180˚ - n My answer is A A window pane has steel grills, as shown. The grills along the same direction are parallel to each other. What is the measure of m and n? (3 points) m = 25° and n = 65° m = 65° and n = 25° m = 115° and n = 65° m = 65° and n = 115° My answer is D Nigel read the following statements. Statement 1: If two lines intersect, then they intersect in exactly one point. Statement 2: If two distinct planes intersect, then they intersect in exactly one line. Which of these options is correct? (3 points) Statement 1 and Statement 2 represent theorems. Statement 1 and Statement 2 represent postulates. Statement 1 represents a definition and Statement 2 represents a theorem. Statement 1 represents a postulate and Statement 2 represents a definition. My answer is B Steve wrote the sentence shown below. “If two lines intersect, then exactly one plane contains both lines.“ Which of these statements is true about what Steve wrote? (3 points) It is a postulate because it is a true statement that can be proven. It is a theorem because it is a true statement that can be proven. It is a theorem because it is a statement that is assumed true without proof. It is a postulate because it is a statement that is assumed true without proof. My answer is B

OpenStudy (anonymous):

No, it is Florida virtual full time

OpenStudy (anonymous):

Pictures: 2.

OpenStudy (anonymous):

4.

OpenStudy (anonymous):

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OpenStudy (anonymous):

6.

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