几何
三角形、圆、解析几何与证明题。
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hw2.5 euclideancoordinates: problem 6 (1 point) consider the two points…
The distance is \(\sqrt{277}\), the \(x\) - coordinate of the mid - point is \(3.5\), and the \(y\) - coordinate of the mid - point is \(1\).
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translate (2, 1) to the left 1 unit. then reflect the result over the y…
\((-1,1)\)
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find the area of this trapezoid. be sure to include the correct unit in…
\(80\space cm^{2}\)
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webwork / fa25 math098-all / hw2.5 euclideancoordinates / 5 previous pr…
Distance: \(9\); x - coordinate of mid - point: \(0.5\); y - coordinate of mid - point: \(-3\)
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the quadrilaterals abcd and jklm are similar. find the length x of lm.
\(x = 8\)
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a rectangular park is 50 meters wide and 80 meters long. give the lengt…
width = \(30\) meters, length = \(100\) meters
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match the set of points as indicated by the ordered pair with the corre…
1. C. \(x\) - axis 2. A. Quadrant Two 3. D. Quadrant One 4. B. Quadrant Four
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the area of a rectangle is 54 yd², and the length of the rectangle is 3…
Length: \(12\) yd, Width: \(4.5\) yd
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the length of a rectangle is 3 m less than double the width, and the ar…
The width of the rectangle is \(3.5\space m\) and the length is \(4\space m\).
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in the coordinate plane, the points ( a(1,9) ), ( b(5,-11) ), and ( c(-…
\(A'(1,-9)\), \(B'(5,11)\), \(C'(-7,10)\)
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what is the volume of the following cylinder? use the π button on the c…
\(192\)
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what is the volume of the following sphere? use the π button on the cal…
\(34\)
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what estimate is closest to the area of a circle with a radius of 2.5 c…
A. \(27\mathrm{cm}^{2}\) (Note: There might be a miscalculation in the problem - if we assume a diameter of \(2.5\) cm (radius \(r = 1.25\) cm), \(A=\pi r^{2}\approx3.14\times(1.2…
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in this figure, ( mangle c = 86^{circ} ) and ( mangle dbc = 137^{circ} …
51 degrees
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what is y? 55 42 97 83
97
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in this figure, ( mangle a=(2x - 2)^{circ}, mangle c=(4x - 6)^{circ} ),…
42 degrees
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find the measure of the missing angle. answer attempt 1 out of 2 a =
\(30\)
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the measure of the missing angle. answer attempt 1 out of 2 a =
\(30^{\circ}\)
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what estimate is closest to the circumference of a circle with a radius…
C. 36 cm
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find the measure of the missing angle. answer attempt 1 out of 2 $a =$
\(61\)
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what is the surface area of this cube? 9 cm 9 cm 9 cm cm²
\(486\)
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what is the surface area of this cube? 4cm 4cm 4cm cm²
96
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question 3 4 pts at is the measure of each exterior angle of a regular …
24 degrees
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what is the value of \x\ in the figure? 11 10 8 9
11
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find the measure of the missing angle. answer attempt 1 out of 2 a =
\(62\)
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question 1 3 pts the measures of the exterior angles of a pentagon are …
35
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find the measure of the missing angle. answer attempt 1 out of 2 a =
\(54^{\circ}\)
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find the measure of the missing angles. answer attempt 1 out of 2 ( b=s…
\(b = 38^{\circ}\), \(c = 38^{\circ}\)
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given: ( mparallel cb ) prove: ( mangle abc+mangle bac+mangle acb = 180…
Alternate interior angles of parallel lines cut by a transversal are congruent.
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identifying exterior angles of triangles which represents an exterior a…
\(\angle JXZ\)
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this image has rotational symmetry. what is the smallest number of degr…
\(45\)
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(if none of the parallel lines are determined to be parallel, select \i…
The parallel lines are \(k\parallel m\) and the reason is the Corresponding Angles Postulate.
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(if none of the parallel lines are determined to be parallel, select /a…
\(k\parallel m\), Reason # \(5\)
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solve the inequality. graph the solution set and write it in interval n…
The correct graph is not fully described in the options (assuming the correct graph has closed - circles at \(4\) and \(6\) and a line between them). The solution in interval nota…
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answer a reflection over the x - axis a translation 8 units to the righ…
A translation 8 units to the right and 6 units down
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2 lines k and l are parallel, and the measure of angle abc is 19°. answ…
a. \(19\) b. \(161\)
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the figure shows a pair of similar triangles. find the lengths of the s…
\(LK = 16\) \(JS=8\)
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2 lines k and l are parallel, and the measure of angle abc is 19°. answ…
a. \(19\) b. \(71\)
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2 lines k and l are parallel, and the measure of angle abc is 19°. answ…
\(142\)
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2 lines k and t are parallel, and the measure of angle abc is 19°, answ…
\(19\)
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shows a pair of similar triangles. find the lengths of the sides labele…
\(LK = 20\), \(JS = 4\)
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2 lines ( k ) and ( l ) are parallel, and the measure of angle ( a b c …
a. \(49\) b. \(82\)
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1 from unit 1, lesson 9 use the diagram to find the measure of each ang…
a. $135^{\circ}$ b. $135^{\circ}$ c. $45^{\circ}$
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the figure shows a pair of similar triangles. find the lengths of the s…
\(ST = 7\) \(AC = 6\)
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mp structure the coordinates of a point and its image after a reflectio…
27. The line of reflection is \(y = 0\) (the \(x -\)axis). 28. The line of reflection is \(x = 0\) (the \(y -\)axis). 29. The line of reflection is \(x = 1\). 30. The line of refl…
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directions: decide which lines would be parallel (if any). then, choose…
\(k\parallel m\) with the reason "If AIA \(\cong\), then lines \(\parallel\)"
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6) $f(x)=\\begin{cases}-x + 2&\\text{if }x < 0\\\\\\sqrt{x}+3&\\text{if…
Graph the ray \(y=-x + 2\) with \(x<0\) (open - circle at \((0,2)\)) and the curve \(y=\sqrt{x}+3\) with \(x\geq0\) (closed - circle at \((0,3)\)).
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directions: decide which lines would be parallel (if any). then, choose…
\(n\parallel m\), Reason: Corresponding angles are congruent.
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find the total number of unit squares it takes to fill the shape withou…
40
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if none of the parallel lines are determined to be parallel, select /a\…
\(\angle10\) supp \(\angle4\), Reason \(N/A\)
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question solve for x and graph the solution on the number line below. 1…
Inequality Notation: \(3 < x < 6\) For the number - line: Draw a number line. Mark points \(3\) and \(6\). Use open circles at \(x = 3\) and \(x = 6\) (because the inequality is s…
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ack to home due 10/16 credit until: october 21 at 8:00 am e: 0% questio…
Angle 1 & Angle 7, and Angle 2 & Angle 8 are pairs of alternate exterior angles. These angles are sometimes congruent. These angles are not supplementary.
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find the total number of unit squares it takes to fill the shape withou…
12
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answer attempt 4 out of 99 angle 1 & angle 7, and angle 2 & angle 8 are…
Angle 1 & Angle 7, and Angle 2 & Angle 8 are pairs of alternate exterior angles. These angles are sometimes congruent. These angles are not always supplementary.
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press to place tiles to measure the total number of unit squares it tak…
36
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press to place tiles to measure the total number of unit squares it tak…
46
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7) $f(x)=\\begin{cases}-x + 3& \\text{if }x < 2 \\\\ 2x - 3& \\text{if …
The graph of the piece - wise function \(f(x)=\begin{cases}-x + 3&x<2\\2x-3&x\geq2\end{cases}\) is composed of two line segments: one for \(y=-x + 3\) (with an open - circle at \(…
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question given ( mparallel n ), find the value of ( x ). answer attempt…
\(x = 148\)
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press to place tiles to measure the total number of unit squares it tak…
40
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question given ( m | n ), find the value of ( x ). answer attempt 3 out…
\(116\)
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solve for the value of b.
\(b = 25\)
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solve for the value of z. answer attempt 1 out of 99 z =
\(z = 10\)
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7. your friend claims that there is only one line that can be drawn per…
No, your friend is not correct. There are infinitely many lines perpendicular to \(\overline{PQ}\) in a plane. ### Question 8
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find the equation of the hyperbola with the following properties. expre…
\(\frac{(x + 1)^2}{4}-\frac{(y - 1)^2}{49}=1\)
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given the vector ( \boldsymbol{u} ) defined by the points: ( (-7,3),(1,…
The component form of the vector \(\vec{u}\) is \(\langle8,2 angle\)
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given the following vectors, calculate $-10mathbf{v}$. $mathbf{u}=langl…
\(\langle10,-70 angle\)
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given the vector ( \boldsymbol{u} ) defined by the points: ( (1,9),(-4,…
\(\langle - 5,-8 angle\)
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which number line represents the solution set for the inequality ( 3(8 …
The number line with an open circle at \(3\) and shading to the right (the second option among the given choices).
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which number line represents the solution set for the inequality $-4(x …
The number line with a closed - circle at \(-5\) and a blue line extending to the right (the first option among the given number - line choices) represents the solution set \(x\ge…
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given the following vectors, calculate $-7mathbf{v}$. $mathbf{u}=langle…
\(\langle - 42,35 angle\)
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which number line represents the solution set for the inequality $-\\fr…
The number - line with a closed circle at \(-8\) and the line extending to the left (the second option among the given ones) represents the solution set of the inequality \(-\frac…
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find the magnitude and direction angle (in degrees) of the following ve…
The magnitude of the vector is \(7\) and the direction angle is \(80^{\circ}\)
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7. find the area of the shaded region: 8. if a rectangles length is 7 m…
The area of the shaded region is \(62.415\) in²
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find the magnitude and direction angle of the following vector. write y…
The magnitude of the vector \(\mathbf{u}\) is approximately \(10.4403\) and the direction angle is approximately \(343.3008^{\circ}\)
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find the area of the triangle described below. round to the nearest hun…
\(108.26\)
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what is the volume of the cube? (round to the tenths place) 9.6 cm³ 32.…
\(32.8\mathrm{cm}^{3}\)
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is the graph of this equation a horizontal or vertical line? x = -3 hor…
vertical line
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11. jill is running a marathon, which is 26.2 miles. so far, she has co…
15. \(-3a + 16\) 16. \(-2w-13\)
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read the passage describing a bildungsroman and answer the question tha…
Zoe's dream
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m∠bcd = m∠cbe because they are alternate interior angles. m∠cdb = m∠dbf…
\(88\)
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in the figure below, \\( \\triangle b c d \\) is drawn. the line \\( \\…
\(x = 49\)
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in the diagram, dc is 10 units and bc is 6 units. what is the length of…
# Explanation: ## Step1: Use the property of congruent triangles Since \( \triangle ABD\cong\triangle EBD\) (by ASA or AAS, assuming \( l\) is a perpendicular bisector or some con…
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write the coordinates of the vertices after a reflection over the y - a…
\(K'(8,-5)\), \(L'(8,5)\), \(M'(6,5)\), \(N'(6,-5)\)
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grades | schoology 1.5l (review) translations, reflections, rot p(□,□) …
\(P'(-9,10)\), \(Q'(-2,10)\), \(R'(-2,0)\), \(S'(-9,0)\)
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s( , ) t( , ) u( , ) v( , )
\(S(-10,-10)\), \(T(0,-10)\), \(U(0,0)\), \(V(-10,0)\)
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write the coordinates of the vertices after a translation 1 unit up.
\( R(1,-6) \), \( S(2,-6) \), \( T(0,-3) \)
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the graph shows triangles uvw and pqr. is uvw similar to pqr? justify y…
Yes, because a dilation by a scale factor of \(2\) centered at point \(V\) maps \(UVW\) onto \(PQR\).
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the graph shows quadrilaterals rstu and vwxy. is rstu similar to vwxy? …
Yes, because a reflection over the \(x -\)axis maps \(RSTU\) onto \(VWXY\)
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the graph shows quadrilaterals hijk and abcd. is hijk similar to abcd? …
Yes, because a dilation by a scale factor of \(2\) centered at point \(H\) maps \(HIJK\) onto \(ABCD\)
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what is the area of the sail? cm²
\(24\)
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what is the area of the side panel? $a = \\frac{1}{2}bh$ ft²
\(6\)
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write an equation for the area, a, of the triangle shown. a = \\frac{1}…
$30$
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3. in a set of similar objects, why does any one object have unique sca…
Because the ratio of corresponding linear dimensions (the scale factor) between one object and each of the other objects in the set is unique due to each object having distinct (b…
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write an equation for the area, a, of the triangle shown. a = \\frac{1}…
\(120\)
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the area is one - half the base times the height, or ( a=\frac{1}{2}bh …
\(A=\frac{1}{2}\times12\times20\)
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rhombus ( abcd ) is a translation of rhombus ( abcd ). write the transl…
\((x,y)\to(x + 6,y+9)\)
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find the following measurements of the triangle shown. base = 80 units …
The area of the triangle is \(1600\) square units.
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making an inference from the life of descartes which activity would des…
discussing the use of geometry to build a house
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4) find the following measurements of the triangle shown. a) base = 80 …
The area of the triangle is \(1600\) square units.
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a boat heading out to sea starts out at point a, at a horizontal distan…
\(1642\) feet