In ΔABC, mA = 35º,and mC = 110º. Which term describes ΔABC?right, acute, isosceles, scalene
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isosceles
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20 points
25
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An altitude isdrawn from B to D.Find mABD.
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53º
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40 points
34
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mA = 52ºmABD = 65ºmADC = 85ºBD = 9Find x to thenearest tenth.
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3.4
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What is the ratio of similitudebetween these two similar triangles?
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Larger to smaller = 3 to 2or 3/2
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A rhombus is dilated by a scalefactor of 2. What is the perimeterof the rhombus after the dilation?
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26
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Are these two right trianglessimilar?
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No
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40 points
5
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A dilation centered at O creates imageΔA’B’C’. OB = 8 and BB’ = 6.
What is thescale factor ofthis dilation?
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50 points
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14/8 or 7/4 or 1.75
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The radius of a sphere is 6feet. Find the area of thegreat circle of this sphere tothe nearest tenth.
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113.1 sq. units
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A cylinder and a cone each have aradius of 5 cm. and a height of 10cm. What is the ratio of the volumeof the cone to the volume of thecylinder?
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1 : 3
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30 points
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The figure atthe left is acube. FindmEAC.
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30 points
60º
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A soda can measure 8 inches inheight and 2 inches indiameter. How many cubic inchesof soda are contained in a full can?(Round answer to the nearest tenth of a cubic inch.)
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25.1 cubic inches
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Find the volume ofthe figure created byrotating this triangleabout the x-axis.Express answer in terms of π.
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16π cubic units
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Find the midpoint of thesegment connecting thepoints (4,6) and (12,-4).
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(8,1)
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Find the distance betweenthe points (-6,2) and (-3,-1).Express answer in radical form.
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Write the equation of a lineparallel to the line y = 3x + 8 andpassing through the point (-4, -8).
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y = 3x + 4
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40 points
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A bears customarily feeds within a 5 mileradius of its hibernation location. If thehibernation location is graphicallyrepresented on a map at (1,3), what is theequation that represents the outer limits ofthe feeding area of the bear?
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Find the perimeter of a rectangle whosecoordinates are A(0,-2), B(8,4), C(5,8)and D(-3,2).
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80º
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30º
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12.5
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171º
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50 points
17
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