幾何
三角形、圓、解析幾何與證明題。
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given ( mparallel n ), find the value of ( x ).
\(25\)
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8. find the value of x and y
\(x = 34.4,y = 21.6\)
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7. find the value of x and y
\(x = 22\) and \(y = 35\)
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area of triangle = 1/2 bh what are the actual base and height of the tr…
The actual base is \(10\) ft and the actual height is \(8\) ft.
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what is the actual area of the trampoline? ft² what are the actual base…
60
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what are the actual base and height of the trampoline? actual base = ft…
Actual base \( = 10\) ft, Actual height \( = 12\) ft
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use the model to find 4 × 46. first, find the area of each rectangle. 4…
\(4\times46 = 184\)
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what number can you multiply each length in the scale drawing by to fin…
1. The number to multiply by is \(2\). 2. Actual length \(16\) ft, actual width \(10\) ft. 3. Actual area \(160\) \(ft^{2}\).
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what number can you multiply each length in the scale drawing by to fin…
Multiply each length in the scale drawing by \(2\) to get the actual length. The actual length is \(16\) feet and the actual width is \(10\) feet.
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click on the graph to plot a point. click a point to delete it. use the…
all sides are of equal measure AND adjacent sides are perpendicular
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what number can you multiply each length in the scale drawing by to fin…
\(2\)
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what number can you multiply each length in the scale drawing by to fin…
The number to multiply is \(3\). The actual width is \(6\) ft and the actual length is \(12\) ft.
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which set of side lengths could be used to form a right triangle? 18 in…
\(7.5\) in., \(18\) in., \(19.5\) in.
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4. tara saves $80. she donates 75% of her savings. jada saves $125. she…
Tara donates \( \$60 \). Jada donates \( \$50 \). For Part B: Tara donates more of her savings than Jada.
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4. find the value of x * your answer
\(30^{\circ}\)
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jazlyn owns an indoor trampoline park. she wants to purchase for her fa…
You multiply each length in the scale drawing by \(2\) to get the actual length. The actual length is \(8\) ft and the actual width is \(4\) ft.
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a triangular birdbath at the exhibit has side lengths of 16 inches, 18 …
It is not a right triangle because \(16^{2}+18^{2}>24^{2}\)
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which of the following statements are true for using proportions to sol…
- Corresponding dimensions must be in the same position in the ratios. - The enlargement or reduction is proportional to the original figure. - The two ratios in the proportion ar…
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5. in the image to the right, ( \triangle abc cong \triangle def ). a. …
# Explanation: ## Step1: Use congruent angles property for \(x\) Since \(\triangle ABC\cong\triangle DEF\), \(\angle B=\angle E = 42^{\circ}\), \(\angle A=\angle D = 87^{\circ}\),…
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3. find the image of the point (-2,6) under a reflection in the line y …
\((6,-2)\)
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what number can you multiply each distance in the scale drawing by to f…
The number to multiply each distance in the scale drawing by to find the actual distance is \(0.5\). The actual length of the picnic area trail is \(4.5\mathrm{km}\).
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question the points ( a ( - 5,7 ) , b ( - 9 , - 1 ) , c ( - 1 , - 5 ) )…
Se han graficado los puntos \(A(-5,7)\), \(B(-9,-1)\), \(C(-1,-5)\) y \(D(3,3)\) en el plano cartesiano.
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chaya has a map that shows the lengths of some hiking trails. the scale…
The number to multiply each distance in the scale drawing is \(0.5\). The actual length of the waterfall trail is \(3\ km\).
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4. classify the triangle to the right. be sure to classify by both angl…
Acute scalene triangle.
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directions: solve for x. then find all missing angles. triangles may no…
1. \(x = 72^{\circ}\), angles: \(50^{\circ}\), \(58^{\circ}\), \(72^{\circ}\) 2. \(x = 62^{\circ}\), angles: \(56^{\circ}\), \(62^{\circ}\), \(62^{\circ}\) 3. \(x = 49^{\circ}\), …
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2. write the congruence statement for the triangles.
\(\triangle ABC\cong\triangle JLK\)
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click on each question mark and choose an expression for the area of th…
The area of the smaller white square is \(a^{2}\) and the area of the larger white square is \(b^{2}\).
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a. solve for x = show all work: if m\\angle a=(5x - 7)^{\\circ}, find x…
a. \(x = 11\) b. \(m\angle A=48^{\circ}\), \(m\angle E = 50^{\circ}\)
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angles sum to $m\\angle a + m\\angle b + m\\angle c = 180^{\\circ}$ sin…
\(x = 67\)
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an aircraft (at z) is spotted by two observers (at x and y) who are l =…
\(419.16\)
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what number can you multiply each length in the scale drawing by to fin…
The number to multiply by is \(5\), and the actual length of the east - side is \(10\) yd.
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the scale drawing shows the dimensions of a motel. the scale is shown i…
The number is \(5\).
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which figure correctly demonstrates using a straight line to determine …
The third graph (the one with a vertical line intersecting the circle at two points)
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17. if point b is between points a and c on a line segment, and ab = 5 …
B. \(13\mathrm{cm}\)
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find the length of the third side. if necessary, write in simplest radi…
\(4\)
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line jl and line km intersect at point h. find the three unknown angle …
\(51\)
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for each pair of angle measures, decide if the angles are complementary…
- \(12^{\circ}\) and \(78^{\circ}\): Complementary - \(25^{\circ}\) and \(155^{\circ}\): Supplementary - \(50^{\circ}\) and \(50^{\circ}\): Neither - \(80^{\circ}\) and \(100^{\ci…
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the measure of an angle is five times the measure of its complementary …
\(15\) and \(75\)
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which figure has the same order of rotational symmetry as a rectangle? …
D. rhombus
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what is the order of rotational symmetry for a rhombus? 1 2 3 4
B. 2
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use the two triangles below to answer the following questions. enter a …
\(\triangle ABC\cong\triangle DEF\)
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a triangle has vertices at ( l(2,2) ), ( m(4,4) ), and ( n(1,6) ). the …
- The rule for the transformation is \((x,y)\to(-x,-y)\) - The coordinates of \(L'\) are \((-2,-2)\) - The coordinates of \(N'\) are \((-1,-6)\)
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given ( l parallel m parallel n ), find the value of ( x ).
\(x = 53\)
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write the coordinates of the vertices after a dilation with a scale fac…
\(C'(-2,-1)\), \(D'(-2,0)\), \(E'(0,-1.4)\), \(F'(0,1)\)
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the image of trapezoid pqrs after a reflection across w is trapezoid pq…
C. \(\overline{RR'}\parallel\overline{SS'}\)
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find the distance between the two points in simplest radical form.
\(2\sqrt{5}\)
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instructions solve the following problem and choose the best answer. qu…
\(\$864\)
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what is m∠1? m∠1=
\(82\)
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find the area of the figure. a = □ m²
\(60\)
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9. use the figure to decide the type of angle pair that describes \\( \…
same - side interior angles
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8. use the figure to decide the type of angle pair that describes \\( \…
alternate exterior angles
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quadrilateral abcd is rotated 145° about point t. the result is quadril…
\(ABCD\cong A'B'C'D'\)
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nombra la figura a continuación de dos maneras diferentes. simbolo: and
\(\overline{NX}\) y \(\overline{XN}\)
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quadrilateral abcd is reflected over line segment y as shown, resulting…
\(5\) in. (Since \(AD = 5\) in. and \(AD\) corresponds to \(TU\) after reflection)
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square rstu is translated to form rstu, which has vertices r(-8,1), s(-…
\((4,-9)\)
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find the perimeter of the figure below. notice that one side length is …
\(48\) ft
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are these triangles similar? yes no
no
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each trapezoid in the figure below is congruent to trapezoid abdc. what…
\(32\mathrm{cm}\)
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6. triangle fgh is the image of isosceles triangle feh after a reflecti…
B. Quadrilateral \(EFGH\) is a rhombus; C. Diagonal \(FH\) bisects angles \(EFG\) and \(EHG\); F. Angle \(FEH\) is congruent to angle \(FGH\)
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find the missing side length. assume that all intersecting sides meet a…
\(4\) yd
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what are the coordinates of the image of vertex d after a reflection ac…
(5, 3)
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which angle of rotation is an angle of rotational symmetry for all figu…
360°
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which rule describes the translation? $\\circ t_{-3,-2}(x,y)$ $\\circ t…
\(T_{3,-2}(x,y)\) (the third option)
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determine the relationship between the two triangles and whether or not…
The two triangles are related by **SAS (Side - Angle - Side)**, so the triangles **are congruent**.
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for the following right triangle, find the side length x. round your an…
\(13.45\)
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question determine a series of transformations that would map figure r …
First, reflect Figure \(R\) over the \(x\) - axis. Then, translate the reflected figure \(8\) units to the right.
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write the standard form of the equation of the circle with the given ce…
\((x - 6)^2+(y + 1)^2=3\)
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find the distance between the pair of points $(-3,-4)$ and $(2,-3)$. if…
The distance between the given points is \(\sqrt{26}\) units. A. The distance between the given points is approximately \(5.10\) units.
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the graph shows an ellipse. write its equation in standard form.
\(\frac{(x + 3)^{2}}{64}+\frac{(y+6)^{2}}{4}=1\)
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question determine the relationship between the two triangles and wheth…
The two triangles are congruent by the ASA (Angle - Side - Angle) congruence criterion.
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question determine if triangle stu and triangle vwx are or are not simi…
The triangles \(STU\) and \(VWX\) are similar. By the AA (Angle - Angle) similarity criterion, since two pairs of corresponding angles (\(\angle S=\angle X = 62^{\circ}\) and \(\a…
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what is the pre - image of vertex a if the image shown on the graph was…
B. \((-8,8)\)
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two parallel lines are cut by a transversal as shown below. suppose ( m…
\(m\angle5 = 52^{\circ}\), \(m\angle8 = 128^{\circ}\)
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if the smallest angle of rotation for a regular polygon is 18°, how man…
C. 20
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graph the inequality below on the number line. $x < 9$
Place an open circle at \(9\) on the number line and draw a line extending to the left from that open circle.
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two parallel lines are cut by a transversal as shown below. suppose ( m…
\(m\angle5 = 106^{\circ}\), \(m\angle8 = 74^{\circ}\)
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which figure fits this geometric notation? x
The second figure (the one with a single black dot labeled \(X\))
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what is the measure of this angle? m∠abc = ?°
$30$
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two parallel lines are cut by a transversal as shown below. suppose ( m…
\(m\angle2 = 142^{\circ}\) \(m\angle4 = 38^{\circ}\)
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what are the coordinates of the image of vertex g after a reflection ac…
\((-5,4)\)
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lines l and m are parallel. what kind of angles are shown in the figure…
\(x = 7\). The angles are alternate - interior angles, so they are equal.
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for each pair of figures below, choose how they are related.
Translation, Translation, None of these, None of these
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look at the diagram. which equation can be used to solve for x? solve f…
The equation is \(3x - 1=140\) and \(x = 47\)
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consult the figure. to find the length of the span of a proposed ski li…
\( 1490.79 \)
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the right triangle below is dilated by a scale factor of \\( \\frac { 1…
Perimeter of given right triangle: \(240\) units Area of given right triangle: \(2400\) units² Perimeter of dilated right triangle: \(48\) units Area of dilated right triangle: \(…
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figure f is the result of a transformation on figure e. which transform…
A translation 4 units right and 1 unit up
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a triangle has side lengths measuring 20 cm, 5 cm, and n cm. which desc…
\(15 < n < 25\)
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two parallel lines are cut by a transversal as shown below. suppose ( m…
\(m\angle 2 = 38^{\circ}\), \(m\angle 4 = 142^{\circ}\)
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what is ( mangle wxz )? ( mangle wxz=square^{circ} )
\(25\)
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find the perimeter. 18 in 36 in 40 in p = ? in
94
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find the distance, d, of \\( \\overline { a b } \\). \\( a = ( - 5,5 ) …
$14.1$
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which angle has a measure of 46°? ∠pwq ∠qwr ∠rws ∠swt
\(\angle PWQ\)
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the figure shows two intersecting lines. write an equation to show how …
\(43\)
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the table shows the coordinates of the vertices of △rst and its image. …
10 units to the left
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which two triangles are congruent by the sas theorem? complete the cong…
\(\triangle QRP\cong\triangle IGH\)
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at which angle will the hexagon rotate so that it maps onto itself? 60°…
\(60^{\circ}\)
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which statements are true about the reflectional symmetry of a regular …
C. A line of symmetry will connect a vertex and a midpoint of an opposite side. D. It has 7 - fold symmetry.
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find the measure of \\( \\overline { s v } \\).
\(1.5\)
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the sum of all but one interior angle of a heptagon is 776°. what is th…
\(124^{\circ}\)
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which polygon has an interior angle sum of 1080°?
The polygon with 8 vertices (the octagon - we assume the correct figure among the options is the one with 8 vertices as per the calculation of \(n = 8\) from \((n - 2)\times180=10…