幾何
三角形、圓、解析幾何與證明題。
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find the surface area of the square pyramid shown below. units²
160
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a boat is heading towards a lighthouse, whose beacon - light is 131 fee…
$1874.1$ feet
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find the value of x. (10x - 13)° (9x + 1)°
$x = 14$
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if (mparallel n), find the value of (x). (5x - 16)° (6x + 9)°
# Explicación: ## Paso 1: Identificar el tipo de ángulos Los ángulos $(5x - 16)^{\circ}$ y $(6x + 9)^{\circ}$ son ángulos alternos internos. Cuando dos líneas paralelas son cortad…
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9 multiple choice 1 point ellie, sam, anna, and chris used their protra…
there is no pattern
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8 multiple choice 1 point find the valid converse for the statement: pa…
If lines do not intersect then they are parallel.
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question 1-7 a submarine travels in a straight line from p(-4, 3) to q(…
$(3.5,-4.5)$
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Question was provided via image upload.
$x = 145$
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look at the image below. what is the area of the parallelogram? square …
54
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6 multiple choice 1 point given these true statements: “if the negotiat…
If negotiations fail, the World Series will not be played. ### Question 7
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look at the image below. what is the area of the triangle? units²
45
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5 multiple choice 1 point which of the following diagrams illustrates s…
The third diagram (the one where there are equal - length marks on BD and DC) illustrates segment AD as a median.
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identify the angle pair name (corresponding, alternate interior, altern…
34. Angle pair name: Alternate exterior angles Relationship: congruent Equation: $14x - 1=12x + 17$ $x = 9$ 35. Angle pair name: Alternate interior angles Relationship: congruent …
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1 multiple choice 1 point a group of students measured the interior ang…
1. opposite angles in a parallelogram are congruent 2. Multiplicative identity
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4 m∠bca = ____________ m∠abc = ____________
$m\angle BCA = 14^{\circ}$ $m\angle ABC = 83^{\circ}$
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34. angle pair name: __________ relationship: congruent/supplementary e…
Angle pair name: Alternate - exterior angles relationship: congruent equation: $14x−1 = 12x + 17$
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write each number in scientific notation or in standard form. (9) a. 36…
9a. $3.6\times10^{7}$ 9b. $1.05\times 10^{5}$ 9c. $4.2\times10^{6}$ 9d. $1.98\times 10^{5}$ 9e. $2.35\times10^{6}$ 9f. $4.09\times 10^{6}$ 9g. $3.3\times10^{6}$ 9h. $8.1\times10^{…
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question 3 of 8 what is the measure, in degrees, of the angle formed on…
63
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lines l and m are perpendicular. sometimes reflecting a point over m ha…
A. Point A, E. Point E
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question 1 - 8 a student used a compass and straightedge to construct t…
The construction creates a line that intersects $\overline{PQ}$ at its midpoint and forms right angles.
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practice 4 (from unit 1, lesson 14) there is a square, abcd, inscribed …
C. 90°
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coordinates (x1, y1) of point e: (11, 9) coordinates (x2, y2) of point …
$\sqrt{226}\approx15.03$
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question 1 - 7 a submarine travels in a straight line from p(-4, 3) to …
(3.5,-4.5) (It seems there is a formatting issue with the provided options in the image, but the calculated point is (3.5,-4.5))
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what is the perimeter of a polygon with vertices at (-1, 3), (-1, 6), (…
22
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es (x1, y1) of point o: (-12, -8) of point r: (-4, 8) d = \\sqrt{(x_2 -…
$8\sqrt{5}\approx 17.89$
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word bank: teamwork initiative commitment listening empathy humility le…
1. A. A team’s combined ability to solve problems 2. B. Motivating and supporting your team 3. B. Talking is easier than listening 4. C. Taking action independently
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question 1 - 4 you are constructing a perpendicular bisector of segment…
Draw a line connecting the points where the arcs intersect.
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integrate the language arts vocabulary study: suffixes a suffix is a wo…
1. read + -able = readable 2. glad + -ly = gladly 3. understand + -able = understandable 4. clear + -ly = clearly 5. predict + -able = predictable 6. readable 7. predictable 8. gl…
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9. given: pq || st prove: △srt ~ △prq complete the proof by writing the…
(2) Reflexive Property (3) Corresponding Angles (4) AA Triangle Similarity
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use the questions below to keep track of key concepts from this lessons…
1) - 5 - congruent - regular - vertex 2) Plato associated them with the elements and used them in his philosophical discussions about the nature of the universe. 3) 1. equilateral…
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15.2.1 study: platonic solids | solid | base(s) | lateral face(s) | | -…
Cone: 1, curved surface; Cylinder: 2, curved; Prism: 2, 3; Pyramid: 1, 3
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b. efghi ~ stuvw c. jklm ~ wxyz
For the similar polygons \(JKLM\sim WXYZ\), if \(MJ = 7\), \(ML = 3\), \(ZY = 10\), the length of \(WZ\) is \(\frac{70}{3}\)
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8) practice: making mental images describe two ways to construct a cone…
1. base; circular 2. circle; sector
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3 - 74. solve for the missing lengths in the sets of similar figures be…
9
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all drawings are drawn to scale. true false
True
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an electrician leans an extension ladder against the outside wall of a …
$25.54$ feet
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determine whether the statement is true or false. if it is true, explai…
False. The graph of $-2x - 3y+6\leq0$ is the upper or right half - plane.
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the exterior angle of a regular polygon measures 20°. how many sides do…
18
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15.2.1 study: cylinders and cones mathematics ii name: maya morales dat…
1) base 2) 1. Soda can 2. Pipe 3. Candle 3) Left blank: Polygons Middle blank: two Right blank: Polyhedron; Circular
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what is the sum of the measures of the exterior angles of the polygon s…
360
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on a floor plan, a scale showing that 1/4 inch on the drawing represent…
SCALE: 1/4" = 1' 0"
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3-72. use what you know about the angles of a triangle to determine the…
a. \(x = 11^{\circ}\) b. \(x = 45^{\circ}\) c. \(x = 30^{\circ}\) d. \(x = 68^{\circ}\)
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find the x - intercept and the y - intercept of the line below. (a) x -…
(a) x - intercept: - 3 (b) y - intercept: 2
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two ramps are built with the same angle of elevation of 12°. one ramp i…
D. The ratio is the same for both ramps because the triangles are similar with proportional side lengths. The ratio of the height to horizontal distance in each triangle can also …
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multiple choice 4 points which graph represents the graph of the equati…
The graph that is a vertical line passing through the point \(x = 2\) on the x - axis (the first graph among the options if the first one is a vertical line at \(x = 2\)). Without…
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find the exact value of tan g in simplest radical form.
$\frac{\sqrt{66}}{5}$
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the diagram shows how the length of each support wire, w, forms a right…
B. $\frac{5.5}{w}=0.72$, $5.5 = 0.72w$, $w=\frac{5.5}{0.72}$, $w\approx7.6$ feet
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coordinates (x1, y1) of point q: (-9, 4) coordinates (x2, y2) of point …
$\sqrt{265}$
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16) practice: making mental images and drawing inferences think about t…
1. Because all of its faces are triangles. 2. In a right pyramid, the apex is directly above the center of the base; in an oblique pyramid, it is not. Prisms: Have two congruent a…
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the diagram shows how the length of each support wire, w, forms a right…
B. The correct value is $d = 3.3$. F. Dylan used the wrong trigonometric ratio and determined the length of one of the wires and not the distance between where they are attached t…
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find the exact value of cos b in simplest radical form.
$\frac{\sqrt{66}}{11}$
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the diagram shows how the length of each support wire, w, forms a right…
B. The correct value is $d = 3.3$.
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5. which quadrilateral is the image of reflecting quadrilateral dlsf ac…
5. Without specific coordinates or reference, can't name the quadrilateral, but use $(x,y)\to(x, - y)$ for vertices. 6. Without specific coordinates or reference, can't name the q…
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1. draw the reflection of quadrilateral mptz across the line y = x. lab…
1. To draw the reflection of quadrilateral MPTZ across the line $y = x$: Take each vertex of MPTZ, swap its x and y coordinates to get the reflected vertices M',P',T',Z', and then…
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solve for x. round to the nearest tenth, if necessary.
$187.1$
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12) practice: organizing information fill in the blanks to define a pyr…
12) A pyramid is a **polyhedron** made of one polygon base, a point not on the same plane, and all the **line segments** between them. - bases: one **polygon** face (like a bottom…
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let $\theta$ equal the acute angle the wire makes with the ground. whic…
C. $\frac{h}{g}$
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solve for x. round to the nearest tenth, if necessary.
\(x\approx110.1\)
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coordinates (x1,y1) of point a: (5, - 3) coordinates (x2,y2) of point e…
$\sqrt{61}$
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solve for x. round to the nearest tenth, if necessary.
$1.6$
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solve for x. round to the nearest tenth, if necessary.
$1.6$
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li transformed rectangle abcd. the image is shown. does lis transformat…
No, the image does not have the same orientation.
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solve for x. round to the nearest tenth, if necessary.
$16.1$
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solve for x. round to the nearest tenth of a degree, if necessary.
$38.9^{\circ}$
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image courtesy of nasa. the ______ peninsula, circled in orange on the …
A. Scandinavian
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2. why is a cube a special kind of rectangular prism? 9) practice: maki…
1. A cube is a special rectangular prism as all its edge lengths are equal. 2. Oblique prisms have non - rectangular lateral faces and non - perpendicular lateral edges to bases; …
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coordinates (x1, y1) of point a: (-3, -4) coordinates (x2, y2) of point…
$\sqrt{5}\approx2.24$
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solve for x. round to the nearest tenth of a degree, if necessary.
$27.8^{\circ}$
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5. the area of a rectangle is given by the trinomial n² - 3n - 28. what…
B. \(n - 7\) and \(n + 4\)
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5) practice: organizing information fill in the blanks to define a pris…
5) A prism is a **three - dimensional solid** made of two **parallel** congruent polygons and all the points between them. - bases: the two **parallel** congruent faces (like a to…
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finding coordinates of an image triangle qrs has vertices q(8, -6), r(1…
Q'(0.4, - 1.7), R'(2.4, 9.3), S'(-10.6, 7.3)
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use the questions below to keep track of key concepts from this lessons…
1. three; faces; space 2. vertex; edge; face 3. (Student needs to label on the cube drawing. For example, label a corner as vertex, a line - segment between two vertices as edge, …
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the distance between dontrells house and keikis house is blocks. co - o…
$\sqrt{26}\approx5.1$
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coordinates (x1, y1) of point d: (-2, -11) coordinates (x2, y2) of poin…
$\sqrt{26}$
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7) reflection across x = 1 w(3, -3), x(2, 0), y(3, 1), z(5, -1)
$W'(-1,-3),X'(0,0),Y'(-1,1),Z'(-3,-1)$
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find the coordinates of the vertices of each figure. 5) translation: (x…
$Q'(3,2),R'(3,4),S'(5,2)$
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coordinates (x1, y1) of point d: (-2, -11) coordinates (x2, y2) of poin…
$\sqrt{26}$
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what is the measure of each interior angle of the regular polygon pictu…
$135^{\circ}$
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m is the mid - point of each segment. set up an equation to find x and …
$x = 3$, $EM=15$, $MF = 15$ For the second segment: $x = 8$, $JM=59$, $MK=59$
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the distance between kenyas house and darius house is d = sqrt{(x_2 - x…
$2\sqrt{13}\approx7.21$
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what is the sum of the interior ang below?
$1800^{\circ}$
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using the following key below to simplify the following expression. (bl…
$x - 2$
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a side of the triangle below has been extended to form an exterior angl…
\(41\)
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a side of the triangle below has been extended to form an exterior angl…
$22$
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what is the purpose of the bolded word in each sentence? circle the fun…
1. to name; It's a noun naming the concert type. 2. to name; It's a noun naming a person. 3. to describe; It's an adjective describing effects. 4. to show action; It's a verb show…
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select the correct description for the transformation of triangle abc t…
reflection over the y - axis, translation $(x,y - 5)$
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18. a man flies a kite with a 120 - foot string. the angle the string f…
Height of Kite: 105 feet Angle of Elevation: $59^{\circ}$ Distance: 412 feet BONUS: $103^{\circ}$
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triangle abc is dilated by a scale factor of 3 to create triangle abc. …
(6, 15)
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triangle abc is dilated by a scale factor of $\frac{1}{2}$ from the ori…
(1, 2)
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coordinates (x1,y1) of point a: (7,11) coordinates (x2,y2) of point u: …
5
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select the correct descriptions that transformed △abc into △a b c. refl…
translation (x - 5, y + 1)
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coordinates (x1, y1) of point a: (7, 11) coordinates (x2, y2) of point …
$5$
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select the correct description that describes the transformation from △…
reflection across the y = -x
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triangle abc is reflected across the x - axis to create triangle abc. w…
(4, -5)
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triangle abc is translated using the rule (x +5, y - 1) to create trian…
(3,3)
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the measures of the angles of a triangle are shown in the figure below.…
\(x = 14\)
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quiz 7 - 2: parallelograms, rectangles, rhombi & squares 1. which quadr…
1. **Brief Explanations**: - En un paralelogramo, los ángulos opuestos son congruentes. Las rectángulas, los rombos y los cuadrados son tipos de paralelogramos, por lo que también…
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looking at the figure above, identify the line of symmetry. ○ y = 3 ○ x…
y = 3
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15 do side lengths of 7, 8, and 10 create a right triangle? show your w…
15. No 16. \(\sqrt{209}\approx14.46\) feet 17. \(\sqrt{31700}\approx178.05\) meters
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the measures of the angles of a triangle are shown in the figure below.…
\(70^{\circ}\)