几何
三角形、圆、解析几何与证明题。
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kalas backyard has cement and grass. find the area of the part with cem…
\(19\)
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find the slope of the line. the slope is the change in vertical distanc…
\(3\)
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solve the inequality and graph the solution. 90 > 78 + 6r to draw a ray…
The solution of the inequality is \(r < 2\). On the number - line, there is an open circle at \(2\) and a ray extending to the left.
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solve the inequality and graph the solution. -3 - f ≥ 1 to draw a ray, …
The solution of the inequality is \(f\leq - 4\). On the number - line, we plot a closed circle at \(-4\) (because the inequality includes equality, \(\geq\) after manipulation bec…
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solve the inequality and graph the solution. 91b - 85 < 97 to draw a ra…
The solution of the inequality \(91b-85 < 97\) is \(b < 2\). On the number - line, there is an open circle at \(2\) and a ray extending to the left.
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solve the inequality and graph the solution. 3 < 7 + 2z to draw a ray, …
The solution of the inequality is \(z > - 2\). On the number - line, we plot an open circle at \(z=-2\) (because the inequality is strict, i.e., \(z eq - 2\)) and draw an arrow t…
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solve the inequality and graph the solution. 19 > 1 + 9k to draw a ray,…
The solution of the inequality is \(k < 2\). On the number - line, we plot an open circle at \(k = 2\) (because the inequality is strict, \(k eq2\)) and draw a ray to the left.
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directions: find the measures of the sides of \\( \\triangle j k l \\),…
\(JK = 2\sqrt{65}\), \(KL=\sqrt{130}\), \(JL=\sqrt{130}\); Isosceles triangle
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directions: find the measures of the sides of $\triangle jkl$, then cla…
Side Measures: \(JK=\sqrt{41}\), \(KL=\sqrt{85}\), \(JL=\sqrt{130}\); Type of Triangle: Scalene triangle
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the dimensions of a rectangle are \\( \\sqrt { 50 a ^ { 3 } b ^ { 2 } }…
The student should not have combined \(10ab\sqrt{2a}\) and \(20a\sqrt{2a}\) as they are not like terms.
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1 enslaved people to the americas 2 sugar, tobacco, and cotton to europ…
The map shows a common and simplistic presentation of how sugar - related trade worked.
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read the passage from sugar changed the world. textbooks talk about the…
"*What we call a triangle was really as round as the globe*."
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read the passage from sugar changed the world. which evidence best supp…
"Africans who sold other Africans as slaves insisted on being paid in fabrics from India."
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michael and jacob are standing on two docks that are 20 miles apart. th…
Jacob's dock would be closer because the angle opposite is smaller.
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3 destiny draws a circle with radius 14 centimeters. a. what is the cir…
The circumference of Destiny's circle is \(28\pi\) centimeters.
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10. the pair of figures is similar. find x. round to the nearest tenth …
26.5 cm
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2 practice 2 in right triangle abc, a square is drawn on each of its si…
a. B. Rectangle \(KEBD\) b. C. Rectangle \(FKDA\)
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assignment 3.c.14 practice #1 - 4 assigned by ashley simeona on novembe…
C. Triangle \(GHI\) with \(GI = 9\), \(HI = 12\), and \(GH = 15\)
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4. a painting measures 15 cm long by 24 cm high. you buy two posters, e…
The first poster is an accurate representation of the painting, but the second poster is not an accurate representation.
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2. the length of a rectangle is 5 centimeters less than twice its width…
length = 25 cm, width = 15 cm
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1. two rectangles are similar. one has a length of 14 cm and a width of…
\(4.7\) cm
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what is the slope of this line?
\(-\frac{2}{11}\)
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33. drawing conclusions in table tennis, the table is a rectangle 9 fee…
The two surfaces (table - tennis table and tennis court) are not similar.
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in exercises 17 - 20, the polygons are similar. the area of one polygon…
17. \(108\) \(ft^{2}\) 18. \(90\) \(cm^{2}\) 19. \(4\) \(in^{2}\) 20. \(6\) \(cm^{2}\)
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in exercises 11 - 14, two polygons are similar. the perimeter of one po…
11. \(72\) cm 12. \(88\) ft 13. \(20\) yd 14. \(34\) m
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3. find the perimeter of the shape. show or explain your thinking.
The perimeter of the shape is approximately \(12.28\) units.
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use the graph below to answer question 99 99. the triangle shown has ve…
C. 7
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the given diagram shows the steps for constructing a line parallel to l…
D. The second arc should be drawn centered at point D.
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select the correct answer when bisecting \\( \\overline { a b } \\) usi…
A. Make an arc above and below \(\overline{AB}\) from point A and another arc from point B.
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select the correct answer from each drop - down menu. this image may be…
construction of a line parallel to line \(AB\) through point \(P\); \(75^{\circ}\)
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select the correct answer. which sentence states a property or a defini…
D. Any point on a perpendicular bisector is equidistant from each endpoint of the line segment.
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select the correct answer.which best describes a step in the process of…
B. Fold the paper such that point A and point B coincide with one another.
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the distance between lincoln, ne, and boulder, co, is about 500 miles. …
\(300\lt d\lt700\)
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5 type the correct answer in the box. write your answer to two decimal …
\(14.42\)
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what is the missing step? a. ∠2 ≅ ∠3; property of similar triangles b. …
D. \(EC = BC\); property of isosceles triangle
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type the correct answer in the box. use numerals instead of words. find…
\(7.2\)
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which shape has a larger area? circle one. shape a shape b they are the…
They are the same. Because the area of Shape A (rectangle) \(A = l\times w\) (if \(l = 4\) and \(w=\pi\)) is \(4\pi\), and the area of Shape B (circle) \(A=\pi r^{2}\) (with \(r =…
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construction is under way at an airport. this map shows where the const…
B. 975 feet
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1. (overline{de}paralleloverline{ac}) given 2. (angle cabcongangle edb)…
C. \(\frac{AB}{DB}=\frac{CB}{EB}\)
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given: \\( \\overline { a b } \\parallel \\overline { c d } \\) and \\(…
1. For \( \overline{AC}\cong\overline{AC} \): reflexive property of congruence 2. For \( \angle DAC\cong\angle BCA \) and \( \angle ACD\cong\angle BAC \): alternate interior angle…
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quadrilateral efgh has the given measurements. • ef = 8 units • fg = 15…
B. The quadrilateral is both a parallelogram and a rectangle.
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type the correct answer in the box. use numerals instead of words. in p…
\(8\)
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1. wxyz is a parallelogram with diagonals \\( \\overline{xz} \\) and \\…
3. Alternate - interior angles theorem; 5. ASA (Angle - Side - Angle)
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in parallelogram wxyz, with diagonal xz, ( mangle wxz = 81^{circ} ) and…
A. \(71^{\circ}\)
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lm = 5.66 lp = 5.39 mn = 6 mp = 2.24 in the diagram, quadrilateral lmno…
D. 2.24
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select the correct answer. in rectangle ( pqrs ), ( pq = 18 ), ( ps = 1…
C. 11.4
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4. sas criterion for congruence 5. ∠ywx ≅ ∠wyz corresponding angles of …
A. \(\triangle XWY\cong\triangle ZYW\)
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match the values based on parallelogram abcd, shown in the figure. leng…
length of \(\overline{BC}\): \(4\), value of \(y\): \(44\), \(m\angle DAB\): \(56\), value of \(x\): \(2\)
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1. (overline{nl}) is a diagonal of parallelogram (klmn). given 2. (over…
B. \( \angle KLN\cong\angle MLN\), and \( \angle KNL\cong\angle MNL\) by the alternate interior angles theorem
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drag the tiles to the correct boxes to complete the pairs. not all tile…
\(PR:2:1\), \(AC:1:1\)
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line segment pr is a directed line segment beginning at p(-10,7) and en…
B. \((-2,\frac{5}{3})\)
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dalton made a scale drawing of a swimming pool. the scale he used was 1…
\(5\)
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miguel measured a house and its lot and made a scale drawing. the backy…
\(2\)
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what are the coordinates of point b in the diagram? a. (3.25, -2.5) b. …
B. \((4,-5)\)
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type the correct answer in the box. use numerals instead of words. if n…
\(\frac{3}{5}\)
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polygon l is a scaled copy of polygon k. what is the value of j?
\(0.3\)
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rectangle b is a scaled copy of rectangle a. what scale factor takes re…
\(2.6\)
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quadrilateral z is a scaled copy of quadrilateral y. what is the value …
\(8.125\)
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hexagon b is a scaled copy of hexagon a. what scale factor takes hexago…
\(1.625\)
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5. △abc is a right triangle definition of a right triangle 6. ba = √(1 …
A. \((d - e)^{2}\)
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quadrilateral b is a scaled copy of quadrilateral a. what is the value …
\(10.2\)
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triangle v is a scaled copy of triangle u. what scale factor takes tria…
$\frac{3}{5}$
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square b is a scaled copy of square a. what scale factor takes square a…
\(\frac{1}{2}\)
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read this excerpt from \the world on turtles back.\the birds of the sea…
B. felt compassion for the woman because she was scared.
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type the correct answer in the box. use numerals instead of words. if n…
\(10\)
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1. find the perimeter of the shape. show or explain your thinking.
The perimeter of the shape is \(28.56\) cm.
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in triangle abc, points d and e are the midpoints of \\(\\overline{ab}\…
D. slope = 0.5, length = 1.6 units
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select the correct answer from each drop - down menu. points a, b, and …
For the first blank (reason for \( \angle3\cong\angle5\) and \( \angle1\cong\angle4\)): alternate - interior angles theorem. For the second blank (reason for \(m\angle1 = m\angle4…
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select all the correct answers. which statements are always true for a …
- The diagonals are congruent. - All angles are congruent. - The opposite sides are parallel.
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given: \\( \\triangle abc \\) with \\( \\frac{bd}{ba}=\\frac{be}{bc} \\…
C. \(\angle ACB\cong\angle DEB\)
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14 what are the missing statement and reason in step 2 of the proof? pr…
C. Statement: \(\overline{AB}\parallel\overline{CD},\overline{BC}\parallel\overline{AD}\) Reason: definition of a parallelogram
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given: rstu is a rectangle with vertices r(0,0), s(0,a), t(a,a), and u(…
A. distance formula, definition of congruence, if two consecutive sides of a rectangle are congruent, then it's a square
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consider parallelogram abcd. which equation is made true by the opposit…
B. \(3y - 15=85 + y\)
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prove: ( overline{gh} cong overline{eh} ) ( overline{dh} cong overline{…
D. Alternate Interior Angles Theorem
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a triangular garden is to be split so that the angle at vertex b is bis…
B. \(3m\)
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type the correct answer in the box. an airplane takes off from point a …
\(6500\)
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a regular polygon has an exterior angle measuring 30°. how many sides d…
B. 12
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△lmn has vertices l(-2,4), m(3,2), and n(1,-3). which describe the tria…
isosceles, right
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select the correct answer from each drop - down menu. determine the num…
Polygon \(ABCDEFG\) may be divided into \(5\) triangles. The total interior angle measure of each triangle is \(180^{\circ}\). The total interior angle measure of polygon \(ABCDEF…
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select the correct answer from each drop - down menu. polygon mnopq is …
\(\overline{N'O'}\) passes through point \(M\). The slopes of \(\overline{N'O'}\) and \(\overline{NO}\) are equal.
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given: ad || bc prove: dc = 6 units which step is missing? a. △dca ≅ △b…
B. \(\triangle DAC\cong\triangle BCA\) by ASA
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a regular hexagon is rotated 360° about its center. how many times does…
A. 6 times
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5. the table shows the diameters of 4 different coins. a. complete the …
a. | Coin | Diameter (cm) | Area (sq.cm) | |---|---|---| | Penny | \(1.9\) | \(\frac{\pi\times(1.9)^{2}}{4}\approx 2.84\) | | Nickel | \(2.1\) | \(\frac{\pi\times(2.1)^{2}}{4}\app…
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describe the error in finding m∠s. given △qrs ≅ △xzy ∠s ≅ ∠z m∠s = m∠z …
The error is that the wrong corresponding angle was used. \(m\angle S = 90^{\circ}-42^{\circ}=48^{\circ}\)
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describe the error in finding ( mangle s ). given ( \triangle qrscong\t…
The error is that when using the congruence \(\triangle QRS\cong\triangle XZY\), \(\angle S\) was incorrectly matched with \(\angle Z\). In congruent triangles \(\triangle QRS\) a…
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given \\( \\triangle qrs \\cong \\triangle xzy \\)\\( \\angle s \\cong …
The error is using the non - corresponding angle. \(\angle S\cong\angle Z\), but in \(\triangle XZY\), \(m\angle Z = 90^{\circ}-42^{\circ}=48^{\circ}\), not \(42^{\circ}\) as wron…
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question 10 of 10 based on the information marked in the diagram, △xyz …
A. True
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question 7 of 10 based only on the information given in the diagram, wh…
A. LA, D. AAS, E. ASA, F. LL
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question 6 of 10 based only on the information given in the diagram, wh…
A. LA, E. LL, F. AAS
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question 5 of 10 based only on the information given in the diagram, wh…
C. SAS, E. HL
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question 10 of 10 the ll theorem is a special case of the a. aas theore…
D. SAS postulate or SSS postulate
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question 9 of 10 the ll theorem is a special case of the a. sas postula…
A. SAS postulate or ASA postulate
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question 8 of 10 based only on the information given in the diagram, wh…
C. LA, D. LL, E. SAS
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question 7 of 10 based only on the information given in the diagram, wh…
C. LL, D. SAS
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question 6 of 10 based only on the information given in the diagram, wh…
B. LA, D. AAS
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question 5 of 10 based only on the information given in the diagram, wh…
A. LA, D. AAS
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question 4 of 10 based only on the information given in the diagram, wh…
B. LL, C. AAS
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find the values of x and y given that \\( \\triangle mnp \\cong \\trian…
\(x = 37\) and \(y = 61\)
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find the values of x and y given that \\( \\triangle mnp \\cong \\trian…
\(x = 14.5\) and \(y = 16\)
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question 1 of 10 based on the information marked in the diagram, \\( \\…
B. False