Géométrie
Triangles, cercles, géométrie analytique et démonstrations.
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which angles are corresponding angles? ∠lmp and ∠qpm ∠lmp and ∠nmp ∠lmp…
$\angle LMP$ and $\angle QPM$
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for exercise 8, select all statements that are true. 8. consider the gr…
B. $\triangle A'B'C'$ is the image of a reflection of $\triangle ABC$ across the y - axis. D. The x - coordinates of the vertices of $\triangle ABC$ and its image $\triangle A'B'C…
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which describes the transformation shown below? translation left and up…
Translation right and down
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which angles are alternate exterior angles? ∠hik and ∠efi ∠hik and ∠jik…
$\angle HIK$ and $\angle GFD$
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17 multiple choice 1 point point j (-8, -12) is reflected over the x - …
C. $(-8,12)$
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5. x = m∠aed =
$x = 30$, $m\angle AED=80^{\circ}$
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angles on the same side of the transversal and inside the parallel line…
1. Same - side interior 2. Supplementary 3. Vertical
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16 fill in the blank 1 point triangle ijk has the coordinates listed. i…
$(-10,-8)$
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which angles are vertical angles? ∠feh and ∠deh ∠ghj and ∠fec ∠ghe and …
$\angle GHE$ and $\angle IHJ$
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a e b ____ = x ____ = m∠aec ____ = m∠bec d (6x + 2)° (2x + 8)° c
$x = 10$, $m\angle AEC=152^{\circ}$, $m\angle BEC=28^{\circ}$
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reflect jkl over the x - axis. record the coordinates of the image belo…
J'(-6,7), K'(-5,2), L'(-2,3)
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3. ∠abc and ∠def are supplementary angles. ______ = x ______ = m∠abc __…
\(x = 30\), \(m\angle ABC=40^{\circ}\), \(m\angle DEF=140^{\circ}\)
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an algebraic rule of (x, y) → (-x, y) is reflection across the choose y…
y - axis
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lines that never intersect and are always the same distance apart are c…
1. Parallel lines 2. Transversal 3. Corresponding 4. Alternate - interior 5. Alternate - exterior
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in a translation, subtracting from the y - value will result in a horiz…
down
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in a translation, adding to the y - value will result in a horizontal m…
up
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while performing a piece of music, katie strikes the cymbals every 4 be…
12
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which transformation is shown on the coordinate plane below? choose you…
reflection
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which transformation is shown on the coordinate plane below? choose you…
reflection
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which transformation is shown on the coordinate plane below? choose you…
translation
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vocabulary activity use the words from the word bank to complete each s…
1. AA Similarity 2. rotation 3. similar 4. dilation 5. translation 6. congruent 7. reflection
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if one corresponding angle measures 110 degrees, what is the measure of…
a. 110 degrees d. 40
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select all the pairs of adjacent angles. ∠rqs and ∠rqn ∠onq and ∠rqn ∠p…
∠RQS and ∠RQN, ∠ONQ and ∠RQN, ∠PQN and ∠RQN
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if one angle formed by a transversal intersecting parallel lines is 65 …
1. B. 65 degrees 2. A. Consecutive interior angles
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question 3 of 13, step 1 of 1 two angles are complementary if the sum o…
The smaller complementary angle: $34.67^{\circ}$ The larger complementary angle: $55.33^{\circ}$
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what is the length of the missing leg? if necessary, round to the neare…
20
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what is the length of the missing leg? if necessary, round to the neare…
6
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what is the length of the missing leg? if necessary, round to the neare…
12
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which angles are vertical angles? ∠jif and ∠jik ∠jif and ∠efd ∠jif and …
$\angle JIF$ and $\angle HIK$
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what is the length of the missing leg? if necessary, round to the neare…
48
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8 | lesson: transversals and parallel lines: solving unknown a... which…
1. c. Alternate exterior angles 2. d. 45 degrees
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13. - / 1 points find the area of a sector with central angle 1 rad in …
$98$
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which angles are consecutive interior angles? ∠qru and ∠tuw ∠qru and ∠s…
$\angle QRU$ and $\angle TUR$
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which angles are alternate exterior angles? ∠srp and ∠tuw ∠tur and ∠qrp…
$\angle SRP$ and $\angle TUW$
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what is the relationship between corresponding angles when a transversa…
1. d. They are equal 2. a. 30
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which angles are adjacent angles? ∠qrt and ∠qro ∠nom and ∠qrt ∠sro and …
$\angle QRT$ and $\angle QRO$
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you move left 7 units and down 3 units. you end at (-5, -3). where did …
$(2,0)$
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which angles are alternate exterior angles? ∠mnl and ∠rqs ∠mnl and ∠mnq…
$\angle MNL$ and $\angle PQS$
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you start at (0, 0). you move up 3 units and left 4 units. where do you…
$(-4,3)$
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you move right 6 units and up 1 unit. you end at (4, -1). where did you…
$(-2,-2)$
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in a right triangle, a and b are the lengths of the legs and c is the l…
85
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11. diagonalization. cantors proof is often referred to as \cantors dia…
The name is reasonable because the proof's key step involves manipulating the diagonal elements of a given list of infinite - length objects (such as real numbers in decimal repre…
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in a right triangle, a and b are the lengths of the legs and c is the l…
35
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which angles are adjacent angles? ∠rsv and ∠tsv ∠rsq and ∠wvx ∠rsv and …
$\angle RSV$ and $\angle TSV$
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in a right triangle, a and b are the lengths of the legs and c is the l…
34
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which angles are adjacent angles? ∠hif and ∠jik ∠efd and ∠hif ∠efd and …
$\angle EFD$ and $\angle EFI$
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you start at (4, 5). you move left 2 units and right 2 units. where do …
$(4,5)$
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in a right triangle, a and b are the lengths of the legs and c is the l…
$2.2$
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which angles are vertical angles? ∠rqt and ∠stv ∠pqo and ∠rqt ∠stq and …
∠RQO and ∠UTQ
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select all the pairs of alternate interior angles. ∠wxu and ∠vux ∠yxz a…
\(\angle WXU\) and \(\angle VUX\), \(\angle YXU\) and \(\angle TUS\), \(\angle YXU\) and \(\angle TUX\)
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select all the pairs of corresponding angles.
∠EFH and ∠DCF, ∠DCA and ∠GFH, ∠DCF and ∠GFH
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you start at (0, -4). you move down 1 unit and right 1 unit. where do y…
\((1, - 5)\)
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you start at (3, 5). you move down 3 units and right 1 unit. where do y…
$(4,2)$
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in a right triangle, a and b are the lengths of the legs and c is the l…
$3.8$
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in a right triangle, a and b are the lengths of the legs and c is the l…
$6.0$
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which angles are alternate interior angles? ∠jkn and ∠onk ∠jkn and ∠jki…
$\angle{JKN}$ and $\angle{ONK}$
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answer questions about unions, strikes, and government policies. 1. nat…
1. What it was: An early major labor organization in the US. How it aided or harmed workers: Aided by uniting for better conditions, shorter hours, and higher wages; promoted 8 - …
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which angles are vertical angles? <dcf and <dca <dca and <gfc <efc and …
∠EFC and ∠GFH
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jamarion bruce q1 - accelerated mathematics gr 8 | unit test 18. if a f…
B. $(y,x)$
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find the area a of the sector shown in each figure. (a)
$7.3\pi\approx22.922$
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you start at (4, 4). you move left 1 unit and up 1 unit. where do you e…
$(3,5)$
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problem 4 each small square in the graph paper represents 1 square unit…
The area of figure A is 8 square units. The area of figure B is 11 square units.
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you start at (1, 1). you move down 3 units and right 3 units. where do …
$(4, - 2)$
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jamarion bruce q1 - accelerated mathematics gr 8 | unit test 23. if a r…
a. Translation
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what is the measure of ∠p? 180 degrees 65 degrees 115 degrees none of t…
115 degrees
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which angles are vertical angles? ∠mnp and ∠lkn ∠jki and ∠lki ∠jki and …
$\angle JKI$ and $\angle LKN$
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22. what must be true about the corresponding side lengths of similar f…
C. They are proportional
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what is x?
90
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select all the pairs of alternate exterior angles. ∠poq and ∠klj ∠klo a…
$\angle POQ$ and $\angle KLJ$, $\angle KLJ$ and $\angle NOL$, $\angle MLJ$ and $\angle NOQ$
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21. what is the result of rotating the point (4, 5) 180 degrees around …
B. $(-4,-5)$
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in a right triangle, a and b are the lengths of the legs and c is the l…
$5.4$
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20 which transformation does not alter the orientation of a figure? a. …
c. Translation
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19. after dilating a point (3,5) by a factor of 3, what will its new co…
B. $(9,15)$
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find the length of an arc that subtends a central angle of 4 rad in a c…
16 mi
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you move right 2 units and left 1 unit. you end at (-3, -4). where did …
$(-4,-4)$
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jamarion bruce q1 - accelerated mathematics gr 8 | unit test 17. dilati…
A. The shape's size will be halved.
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you move down 7 units and left 6 units. you end at (-1, -3). where did …
$(5,4)$
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you move down 2 units and left 1 unit. you end at (4, -5). where did yo…
$(5,-3)$
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select all the pairs of alternate interior angles. ∠tsp and ∠ops ∠tsp a…
$\angle TSP$ and $\angle OPS$, $\angle RSU$ and $\angle QPS$
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16. what transformation is described by the rule (x,y)→( - x,y)? a. ref…
a. Reflection over the y - axis
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15. if a triangle with vertices at (2,2), (4,2), and (3,4) is reflected…
b. $(3,-4)$
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14. what happens to the coordinates of a point (x,y) when it is transla…
A. $(x + 2,y + 5)$
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13. after translating a point (4,5) 2 units left and 3 units down, what…
C. (2, 2)
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you start at (2, 3). you move left 6 units. where do you end?
$(-4,3)$
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12. what does a dilation do to a figure? a. changes its proportions b. …
B. Changes its size while keeping its shape and orientation
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find the angle $\theta$ in the figure. (assume $r = 2$ and $s = 4$.) $\…
$2$
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find the perimeter of the triangle with the given vertices. use the dis…
The perimeter of the triangle with vertices $A(-3,0),B(0,4),C(0,0)$ is $12$. The perimeter of the triangle with vertices $R(-2,1),S(2,-1),T(0,-4)$ is $2\sqrt{5}+\sqrt{13}+\sqrt{29…
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11. when a rectangle measuring 5 inches by 8 inches is enlarged to 20 i…
A. 4
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select all the pairs of corresponding angles. ∠ihe and ∠fec ∠ghj and ∠d…
∠IHE and ∠FEC, ∠GHJ and ∠DEH, ∠IHJ and ∠FEH
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10. what transformation occurs when a figure is moved without rotation …
a. Translation
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if $overline{ps}congoverline{rs}$, $mangle pqs = 10x$, and $mangle rqs=…
$140$
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what is the length of the hypotenuse? if necessary, round to the neares…
5.9
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9. a banner is 2 feet by 6 feet and is scaled up to 8 feet by 24 feet. …
d. 4
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which angles are alternate interior angles? ∠nmo and ∠ijm ∠kjh and ∠nmo…
$\angle KJM$ and $\angle LMJ$
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what is the value of p? p =
$22$
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find the area of each rectar a. 12 cm area of the square = area of the …
area of the square = $144$ $cm^2$ area of the triangle = $72$ $cm^2$
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if $overline{fi}congoverline{hi}$, $mangle fgi = s + 60^{circ}$, and $m…
$20$
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you start at (4, 4). you move down 9 units and up 3 units. where do you…
(4, - 2)
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8. congruent figures must have which of the following characteristics? …
B. Identical sizes and shapes
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if bc ≅ be and m∠bdc = 38°, what is m∠cde? m∠cde = °
$76$