幾何
三角形、円、座標幾何、証明問題。
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9. what similarity property, if any, can be used to show that the follo…
SAS
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solve for x. x =
\(x = 44\)
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find the circumference and area of this figure. c = ? units a = units² …
\(C = 18.84\) units, \(A=28.26\) units²
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9. what is the formula for the volume of a sphere? a. \\( \\frac { 4 } …
A. $\frac{4}{3}\pi r^{3}$
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the triangle below is equilateral. find the length of side ( x ) in sim…
\(x = \frac{7\sqrt{3}}{3}\)
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which figure fits this geometric notation? \\overline{no}
The first figure (with a line segment having endpoints \(N\) and \(O\))
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current skill find the measure of angle 6.
\(105^{\circ}\)
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1. consider the pre - image & image below. what sequence of transformat…
A reflection and a rotation.
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5. what happens if a tessellation pattern is altered by cutting a piece…
c. The pattern gains a unique touch but can still tessellate.
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solve for x. x =
\(6\)
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5. a large monument with height of 2351 m is located exactly halfway be…
The angle of elevation \(x\) is approximately \(9.4^{\circ}\)
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which rule explains why these triangles are congruent? aas sas asa sss …
These triangles cannot be proven congruent.
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2. what is the scale factor if a model of a car is 20 inches long and t…
A. $1:10$
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quinton tried to transform triangle fgh according to the rule $(x,y)\\t…
Incorrect. He transformed the triangle according to the rule \((x,y)\to(-y,-x)\)
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4. jason is standing 8.7 km from town x and 11.5 km from town y. from w…
The height of the hotel is approximately \(6.0\) km.
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3. sarah and simone are walking in a walk - a - thon down a straight st…
\(0.3\) km
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review problems 3. select all the pieces of information that would tell…
\(\square y = 3x\), \(\square\) The turtle walks away from the rock at a constant rate.
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the perimeter of a rectangle is 16 inches. the equation that represents…
A. \(7\) in
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dilate figure pqrs by a scale factor of \\( \\frac { 1 } { 2 } \\) with…
\(1\)
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dilate figure pqrs by a scale factor of 1/2 with the center of dilation…
at point \(P\)
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figure a is dilated to form figure d. what is the scale factor of the d…
\(4\)
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which figure is a dilation of figure a with the center of dilation at p…
figure \(D\)
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two figures are dilations of each other if they are similar. use simila…
Each side of figure \(W'\) is \(\frac{1}{2}\) times as long as the corresponding side of figure \(W\), so the corresponding sides are proportional.
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dilate rectangle qrst by a scale factor of 3 with the center of dilatio…
at point \( Q \)
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dilate △abc by a scale factor of \\( \\frac { 1 } { 2 } \\) with the ce…
Plot \(A'\) 4 units from \(C\) along \(CA\) and \(B'\) 3 units from \(C\) along \(CB\) on the given grid.
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dilate △abc by a scale factor of \\frac{1}{2} with the center of dilati…
\(4\)
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dilate \\( \\triangle a b c \\) by a scale factor of \\( \\frac { 1 } {…
at point \(C\)
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figure abcd is dilated from point q, the center of dilation. write the …
\(\frac{1}{4}\)
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figure abcd is dilated from point q, the center of dilation. which figu…
figure \(MNOP\)
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when the scale factor is less than 1, the image is closer to the center…
the original figure
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which figure is closer to the center of dilation? the original figure t…
the dilated image
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when the scale factor is greater than 1, the original figure is closer …
the dilated image
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△rst is dilated by a scale factor of 2 to form its image, △rst. the ray…
the original figure
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two figures are dilations of each other if they are similar. similar fi…
are
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the shadow represented by figure hijkchanges to form figure hijk. how d…
Figure \(H'I'J'K'\) is a dilation of figure \(HIJK\). The figures are similar.
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shadow changes. two figures that have the same shape, but not necessari…
\(D'E'\) is \(2\) times as long as \(DE\). \(E'F'\) is \(2\) times as long as \(EF\).
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the shadow represented by figure defg changes to form figure defg. how …
The figures are the same shape but not the same size.
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the shadow represented by △abc changes to form △abc. what happens to th…
It changes position, It changes size, Its vertices move along the rays.
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a square tile has an area of 49 square inches. what is the side length …
\(7\)
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a wooden shipping crate is a cube with a volume of 64 cubic feet. what …
\(4\)
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question 7 (multiple choice worth 1 points) (02.06r mc) if quadrilatera…
\(\overline{SQ}\cong\overline{PR}\)
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which pairs of figures are congruent? which pairs are similar? congruen…
- First pair: Congruent? No, Similar? Yes. - Second pair: Congruent? No, Similar? Yes. - Third pair: Congruent? No, Similar? No. - Fourth pair: Congruent? No, Similar? No.
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find the volume of this triangular prism. be sure to include the correc…
\(283.5\text{ in}^3\)
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which statements are true about trapezoid abcd and its translated image…
The rule for the translation can be written as \(T_{-3,1}(x,y)\) and The rule for the translation can be written as \((x,y)\to(x - 3,y + 1)\)
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find the volume of this rectangular pyramid. be sure to include the cor…
\(\frac{448}{3}\space m^{3}\) (or approximately \(149.33\space m^{3}\))
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find the area. a = ? cm² a = πr² use π = 3.14
\(113.04\)
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if ab = 21 and bc = 37, find ac. a b c 21 37 ac = ?
58
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find the midpoint, m, of \\overline{ef}. m = ?
$-6$
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which figure fits this geometric notation? \\overrightarrow{bc}
The second figure.
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what is the radius of a circle if the area is 254.5 in²?
The radius of the circle is \(9\space in\).
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23. if a rectangle is 12 inches long and 8 inches wide, what is the rat…
\(3:2\)
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you are installing a system of ducts as shown in the picture (not drawn…
The total volume of the system is approximately \(54.57\) cubic feet.
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2. you need a piece of steel cut to a certain shape to fit on a machine…
1. The area of the steel piece is \(226\) square inches. 2. The volume of the steel piece is \(28.25\) cubic inches. 3. The weight of the steel piece is approximately \(8.0\) poun…
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find the values of x and y. x = 35 (simplify your answer.) y = (simplif…
\(x = 30\), \(y = 35\)
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find the values of x and y. x = 35 (simplify your answer.) y = □ (simpl…
\(x = 35\), \(y = 90\)
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1. you are baking a tiered cake that you want to use as a model for a l…
The type of solid is a cylinder. The volume of the bottom tier is approximately \(314\) cubic inches. The volume of the top tier is approximately \(113.04\) cubic inches. The tota…
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find the values of x and y. x = (simplify your answer.)
\(x = 35\)
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22. justify the diameter of a soup can is about 7 cm. the label wraps a…
The length of the label must be about \(22\) centimeters.
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the english language, now spoken by about half a billion people worldwi…
A. The English language has a long history of including words from many languages and continues to evolve to meet the requirements of an ever - changing world.
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a rectangular field is 0.35 kilometers long and 0.3 kilometers wide. wh…
\(105000\space m^{2}\)
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the english language, now spoken by about half a billion people worldwi…
B. She uses examples of spelling changes that people did not receive well.
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14. in \\( \\triangle k l m \\), if \\( \\angle k \\cong \\angle l, k l…
\(x = 15\), \(KL = 95\), \(LM = 68\), \(KM = 68\)
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circle the misspelled word in the sentence, then write it correctly bel…
Circle "thoroghly" and write "thoroughly" below.
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which pairs of figures are congruent? which pairs are similar?
First pair: Congruent? No; Similar? Yes. Second pair: Congruent? No; Similar? Yes. Third pair: Congruent? No; Similar? No. Fourth pair: Congruent? No; Similar? Yes.
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an oil tank has to be drained for maintenance. the tank is shaped like …
\(5\)
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the empty gas tank of a truck needs to be completely filled. the tank i…
\(4\)
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the english language, now spoken by about half a billion people worldwi…
C. origin or background
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circle the capitalization error in the text below. 123 anytown dr. east…
The error is in "Pa". It should be "PA".
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a swimming pool has to be drained for maintenance. the pool is shaped l…
\(2\)
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a man wants to measure the height of a nearby building. he places a 6 f…
\(198\)
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the english language, now spoken by about a billion people worldwide, w…
A. There are about 200,000 words in everyday use.
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transitive or intransitive verbs a transitive verb is a verb that is fo…
1. Intransitive, underline "arrived" 2. Transitive, underline "threw", circle "the ball" 3. Intransitive, underline "sat" 4. Intransitive, underline "held" 5. Transitive, underlin…
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frank wants to measure the height of a tree. he sights the top of the t…
\(23\)
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the english language, now spoken by about half a billion people worldwi…
A. The words follow no established rules.
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a pole that is 2.8 m tall casts a shadow that is 1.02 m long. at the sa…
\( 133 \)
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find the area of the shaded region. 16 ft 16 ft
\(119.04\) \(ft^{2}\)
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in the mid - fifth century a.d., three seafaring tribes - the angles, t…
A. by describing the environment in which the English language was created
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a rectangular paperboard measuring 20 in long and 13 in wide has a semi…
\(73.41\) in
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a rose garden is formed by joining a rectangle and a semicircle, as sho…
\(122.54\) ft
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linking verbs worksheet (complements part 1) a linking verb connects th…
1. Linking verb: are; Complement: very restless 2. Linking verb: was; Complement: very nervous 3. Linking verb: was; Complement: very excited 4. Linking verb: are; Complement: ver…
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assignment 4.3 4. which equation describes each graph? i) ( x = - 2 ) i…
a) i. \(x = - 2\) b) iii. \(y=-2\)
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15. christopher ran 16 miles at 50 degrees south of west. how far south…
12.3 miles south
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a rectangular paperboard measuring 32 in long and 19 in wide has a semi…
\(112.83\) in
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the diameter, d, of a sphere is 13.2 m. calculate the spheres volume, v…
\(1193.7\)
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the formula for the area of a trapezoid is ( a=\frac{1}{2}(b_1 + b_2)h …
\(\frac{2A}{b_1 + b_2}\) (Option (4) if we assume the options are labeled as in the problem statement where (4) is \(\frac{2A}{b_1 + b_2}\))
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17. jorge drew a square that had a side length of 8 inches. what is the…
32 inches
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the diameter, d, of a sphere is 20.8 m. calculate the spheres volume, v…
\(4710.7\)
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the radius r of a sphere is 6.7 m. calculate the spheres surface area a…
\(563.8\)
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the diameter d of a sphere is 8.8 m. calculate the spheres surface area…
\(243.2\)
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the radius r of a sphere is 7.3 cm. calculate the spheres surface area …
\(669.3\)
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25. a rectangle has a side length of -7x + 9 and a width of 3(x - 2). p…
\(-8x + 6\)
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a rectangular yard measuring 27 ft by 32 ft is bordered (and surrounded…
\(252\mathrm{ft}^{2}\)
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a rectangular garden measures 31 ft by 56 ft. surrounding (and borderin…
\(760\) \(ft^{2}\)
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a rectangular yard measuring 38 ft by 67 ft is bordered (and surrounded…
666 \(ft^{2}\)
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read the sentence from samuel johnsons preface to a dictionary of the e…
disentangled
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a rectangular garden measures 21 ft by 42 ft. surrounding (and borderin…
\(268\) \(ft^{2}\)
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a rectangular yard measuring 35 ft by 60 ft is bordered (and surrounded…
\(190\space ft^{2}\)
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a rectangular garden measures 31 ft by 39 ft. surrounding (and borderin…
456 \(ft^{2}\)
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question point d is located at (2,1) on the coordinate plane. point d i…
\((-2,-1)\)
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10. the two triangles shown are similar. find the value of \\frac { d }…
\(\frac{1}{2}\)