Geometría
Triángulos, círculos, geometría analítica y demostraciones.
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if jg = jf, gd = 13, and arc cd = 136°, find each measure. ed = type yo…
\(ED = 26\), \(CF = 13\), \(arc\ ED = 136^\circ\), \(arc\ HD = 44^\circ\), \(arc\ CE = 44^\circ\)
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13 numeric 1 point if pq = qr jk = 3x + 23 and lm = 9x - 19, find pk. a…
\(44\)
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12 fill in the blank 1 point use the circle below to find each measure …
PH = 17 PN = 8 MG = 15
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12 fill in the blank 1 point use the circle below to find each measure …
PH = 17 PN = 8 MG = 15 (Note: The initial given answers seem incorrect; the correct values based on HK=30 and PM=8 are as above.)
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10 numeric 1 point if lm = 41 - 2x and np = 7x + 5, find lm.
33
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10 numeric 1 point if lm = 41 - 2x and np = 7x + 5, find lm. answer 33
33
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if arc uv = (8x - 17)° and arc wv = (5x + 52)°, find arc wv.
\( 167^\circ \)
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13. write an expression in simplest form that represents the perimeter …
\(18x + 16\)
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9. which of the following represents the area of a circle with a diamet…
D. \(\pi(4x^{2}-12x + 9)\)
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9. which of the following represents the area of a circle with a diamet…
\(d\)
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quiz 12 (8.0, 8.1, 8.2) due saturday by 11:59pm points 6 submitting an …
\(h = 2\), \(k = 1\), \(a = 3\), \(b = 5\)
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match the graphs to their equations. f \frac { ( x + 3 ) ^ { 2 } } { 9 …
\(\frac{(x + 3)^2}{9}+\frac{(y + 1)^2}{16}=1\) matches graph b; \(\frac{(x - 3)^2}{16}+\frac{(y + 1)^2}{9}=1\) matches graph a. (For the other two equations, more graph informatio…
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$$ \\frac { ( x + 3 ) ^ { 2 } } { 9 } + \\frac { ( y + 1 ) ^ { 2 } } { …
\(\frac{(x + 3)^2}{16}+\frac{(y - 1)^2}{9}=1\) (the second equation in the list: \(\frac{(x + 3)^2}{16}+\frac{(y - 1)^2}{9}=1\))
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x² + y² - 6x + 6y + 9 = 0 is the equation of a circle with center (h,k)…
\(h = \boxed{3}\) \(k = \boxed{-3}\) \(r = \boxed{3}\)
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quiz 12 (8.0, 8.1, 8.2) due saturday by 11:59pm points 6 submitting an …
\((x + 8)^2 + (y - 8)^2 = 100\)
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3 - 20. copy each expression below and circle each term. then simplify …
a. \(-18\) b. \(33.1\) c. \(27\) d. \(50\)
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solve the triangle. a = 14.0 ft, b = 18.0 ft, c = 21.0 ft what is the m…
\( A\approx40.47^{\circ} \) \( B\approx57.83^{\circ} \) \( C\approx81.70^{\circ} \)
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the two enemies stood glaring at one another for a long silent moment. …
situational irony
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ky found the following ratios. \\( \\frac { p q } { e f } = \\frac { 9 …
Yes, the triangles are similar by the SSS similarity theorem.
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identifying information necessary for applying the sss similarity theor…
\(\frac{DE}{PQ}=\frac{3}{2}\) (the fourth option)
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in the figure below, ( l parallel m ). find ( x ).
\(x = 39\)
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multiple similarity transformations are performed on a triangle. which …
angle measure
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two similar triangles are shown. △mno was dilated, then _, to create △y…
reflected
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which must be true in order for the relationship (\triangle zyxsim\tria…
\(\angle Z\cong\angle W\) and \(\angle X\cong\angle U\) (the fourth option)
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read the proof. given: \\( \\overline { a e } \\perp \\overline { e c }…
\(\angle ACE\cong\angle BCD\)
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which transformations could be performed to show that △abc is similar t…
a reflection over the \(x\) - axis, then a dilation by a scale factor of \(\frac{1}{3}\)
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read the proof. given: \\( \\overline { a b } \\parallel \\overline { d…
AA similarity theorem
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which piece of additional information can be used to prove \\( \\triang…
\(\angle BDC\) and \(\angle AED\) are right angles.
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read the proof. given: ( overline{ae} perp overline{ec} ; overline{bd} …
\(\angle ACE\cong\angle BCD\)
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which must be true in order for the relationship (\triangle zyxsim\tria…
\(\angle Z=\angle W\) and \(\angle X=\angle U\) (the fourth option)
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two similar triangles are shown. δrst was, then dilated, to create δzxy…
reflected
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recognizing necessary information for similarity what additional inform…
$\angle B=\angle M$, $\triangle ABC$ was rotated and dilated by a scale factor between $0$ and $1$, $\angle C=\angle L$
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recognizing similarity transformations triangle xyz was reflected acros…
The second triangle (the one below the original triangle \(XYZ\) in the middle of the three - triangle set) represents the image.
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identifying a sequence of similarity transformations triangle def is si…
C. rotation and dilation
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analyzing compositions of dilations the composition ( d_{0,0.75}(x,y)cd…
\(\angle M=\angle M''\), \(\triangle LMN\sim\triangle L''M''N''\)
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triangle abc is similar to triangle abc. which sequence of similar tran…
dilation and reflection
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avery started at the origin and moved 2 units left, then 4 units down. …
First box: right, Second box: up
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given: qr ⊥ pt and ∠qpr ≅ ∠str prove: △pqr ~ △tsr
\(\triangle PQR\sim\triangle TSR\) by AA similarity theorem (because \(\angle QPR\cong\angle STR\) (given) and \(\angle PRQ\cong\angle TRS\) (right angles from \(QR\perp PT\))).
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6. the pattern in this table continues. determine the expression that r…
a. \( 2f \) ### Question 7
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to extend the grid so they can record the location of the new bone. how…
-3
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directions select up to 2 number line button(s) below. click to activat…
We select the open - circle (top - most button in the left panel) and place it at \(3\) on the number line, then draw a ray to the right.
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which composition of similarity transformations maps polygon abcd to po…
a dilation with a scale factor of \(\frac{1}{4}\) and then a rotation.
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a rectangular prism is shown below. which diagram is a net for this pri…
The second diagram (the one on the right) is the net for the prism. (Assuming the right diagram is the correct one based on the face dimensions and arrangement; if options were la…
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which diagram is a net for this prism? what is the surface area of the …
1172
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find the volume of a cone with a base radius of 3 in and a height of 10…
\( 30\pi \) cubic inches (or \( 30\pi \) in³)
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directions select up to 2 number line button(s) below. click to activat…
We select the button with a closed circle and an arrow pointing to the right, and place the closed - circle at \(x = 6\) on the number line.
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select the correct answer from each drop - down menu. a banquet hall is…
The perimeter of the stage is \(216\) feet. The area of the dining section is \(1904\) square feet.
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a training field is formed by joining a rectangle and two semicircles, …
\( 11698.66 \, \text{square meters} \) (or \( 11698.66 \, \text{m}^2 \))
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which figure is a rotation of figure a? figure b figure c figure d
D. Figure D
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without using a protractor, can you tell which angle is congruent to ∠1…
∠3
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fionas school is in the shape of a triangle, with three hallways connec…
between 30 yards and 150 yards
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under which angle conditions could a triangle exist? check all that app…
A. 3 acute angles B. 2 acute angles, 1 right angle E. 2 acute angles, 1 obtuse angle
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the measures of the angles of a triangle are shown in the figure below.…
\(x = 81\)
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choose all answers that describe the polygon below. answer attempt 1 ou…
A. Parallelogram, B. Quadrilateral
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choose all answers that describe the polygon below. answer parallelogra…
Quadrilateral, Trapezoid
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the measures of the angles of a triangle are shown in the figure below.…
\(x = 45\)
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line segment xy is dilated to create line segment xy using point t as t…
15 units
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fill in the sentence below with the description that most specifically …
The quadrilateral is most specifically a \(\boldsymbol{\text{rectangle}}\), because it is a parallelogram (has two pairs of parallel sides) and has four right angles (one right an…
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which of the following sets of numbers could not represent the three si…
\(\{6,20,26\}\)
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find the value of each of the six trigonometric functions of the angle …
\(\frac{1}{2}\)
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how many sides would a regular polygon have if each interior angle meas…
For the first problem: \(45\) For the second problem: \(36\)
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in the diagram below of triangle tuv, w is the midpoint of \\( \\overli…
\( 64 \)
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what combination of transformations is shown below? rotation, then refl…
B. reflection, then translation
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applying the hinge theorem to real - world problems lot 1 lies where tw…
Longest fence: Lot 1 Shortest fence: Lot 3
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find the measure of the three missing angles in the parallelogram below…
\(x = 75^\circ\), \(y = 105^\circ\), \(z = 105^\circ\)
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find w. write your answer as a whole number or a decimal. do not round.…
\( w = 6 \)
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in \\( \\triangle b c d \\), \\( h \\) is the intersection of the three…
\(42\)
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which rigid transformation can you use to map figure a onto figure b? t…
Reflection
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fill in the sentence below with the description that most specifically …
The quadrilateral is most specifically a trapezoid, because it has one pair of parallel sides.
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in \\( \\triangle lmn \\), \\( r \\) is the centroid. if \\( mp = 14 \\…
\(28\)
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find ( mangle k ). ( mangle k=square^{circ} )
\(30\)
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the center of a circle is at the origin on a coordinate grid. a line wi…
The slope of the line is not equal to 7.
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a painter is going to apply a special coating to a triangular metal pla…
\( 99.4 \)
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which figure is a reflection of figure a? figure b figure c figure d
Figure B
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find the magnitudes of the horizontal and vertical components for the v…
Horizontal component: 22 Vertical component: 13
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rectangle wxyz was dilated using the rule ( o_{z,\frac{3}{2}} ). what i…
10 units
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triangle qrs is dilated according to the rule ( d_{o,2}(x,y) ). which s…
A. \(D_{O,2}(x,y)=(2x,2y)\) B. Side \(Q'S'\) lies on a line with a slope of \(-1\) E. The distance from \(Q'\) to the origin is twice the distance from \(Q\) to the origin
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is trapezoid abdc the result of a dilation of trapezoid mnpq by a scale…
C. No, because AB is \(\frac{1}{4}\) the length MN but CD is \(\frac{1}{4}\) the length QP.
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is quadrilateral j k l m the result of a dilation of quadrilateral a b …
C. No, because sides \(JK\) and \(ML\) are not twice as long as sides \(AB\) and \(DC\)
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which composition of similarity transformations maps polygon abcd to po…
a dilation with a scale factor less than 1 and then a reflection
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triangle klm was dilated according to the rule do.0.75 (x,y). what is t…
\(D_{O,0.75}(x,y)=(0.75x,0.75y)\), \(\overline{LM}\) is parallel to \(\overline{L'M'}\), The vertices of the image are closer to the origin than those of the pre - image.
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triangle stv was dilated with the origin as the center of dilation to f…
\(\frac{1}{3}\)
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triangle abc was dilated and translated to form similar triangle abc. w…
\(\frac{5}{2}\) (corresponds to the third option)
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determining the similarity transformation which composition of similari…
a dilation with a scale factor greater than 1 and then a rotation
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determining similar rectangles which graph has figures that can undergo…
The second graph.
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calculating a scale factor quadrilateral qrst is dilated and translated…
\(\frac{1}{3}\)
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using dilations to make similar figures given (\triangle abc), use a di…
\( (6,-3) \) (Option D)
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identifying vertices of the pre - image of a dilation triangle xyz was …
\((-8,-4)\)
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finding the vertex from the pre - image the rule for the dilation of qu…
\((0,1)\)
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practice with dilations and similar figures. a has the coordinates (-4,…
- \(\overline{AB}\) is parallel to \(\overline{A'B'}\) - \(D_{O,1/2}(x,y)=(\frac{1}{2}x,\frac{1}{2}y)\) - The distance from \(A'\) to the origin is half the distance from \(A\) to…
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in the diagram below, ( \triangle ijksim\triangle lmk ). find ( s ). wr…
\(s = 5\) meters
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2. here are the 6 views of an object made using centimetre cubes. deter…
d. \(22 \, \text{cm}^2\)
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where is the image of point c located? inside △abc outside △abc at poin…
outside $\triangle ABC$
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practice assignment 9.3 double-angle and half-angle identities score: 5…
\(0.9988\)
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practice assignment 9.3 double - angle and half - angle identities scor…
\((\cos(7x))^{2}=\frac{1}{2}+\frac{1}{2}\cos(14x)\)
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using a double - angle or half - angle formula to simplify the given ex…
a. \(60\) degrees b. \(6x\)
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directions: find the missing dimension. $l = 4m$ $w = 12m$ $h = ______$…
\(h=\frac{8}{3}m\approx2.67m\)
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what is the surface area of this rectangular prism? 8 ft. 6 ft. 2 ft. s…
152
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what is the surface area of this rectangular prism? 3 mm 10 mm 5 mm squ…
190
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ratios of right triangle sides the sides of each of these triangles are…
For \( \angle 1 \) in the right triangle with legs \( x \) (adjacent), \( y \) (opposite), and hypotenuse \( r \): - \( \sin(\angle 1) = \frac{y}{r} \) - \( \cos(\angle 1) = \frac…