Géométrie
Triangles, cercles, géométrie analytique et démonstrations.
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pattern find one counterexample to show that each conjecture is false. …
If a figure is a regular hexagon, then it has exactly six congruent sides. ## 2.
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classify information circle the correct answers. 1. which economic syst…
1. a. Traditional 2. c. Market 3. b. Command 4. c. Price 5. c. Market 6. b. Command 7. a. Competition
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4. select the composition of transformations that would not map trapezo…
D. A translation two units to the right, followed by a rotation of \(180^{\circ}\) about the origin and a dilation with a scale factor of \(1\).
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translations recall that, in geometry, one type of rigid motion is a tr…
True, False, False, False, True
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3. below is a composition of transformations to prove that \\( \\triang…
C. $(x,y)\to(\frac{1}{3}x,\frac{1}{3}y)$
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task 2: thinking show all steps clearly to receive full credit for your…
The diameter of the circle is approximately \(3.95\) cm.
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no matter what kind of polygon you have, the triangles made by drawing …
isosceles
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can we come up with a formula for the area of any regular polygon? no m…
The formula for the area of a regular polygon is \(A=\frac{1}{2}Pa\), where \(P\) is the perimeter of the polygon and \(a\) is the apothem.
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(15) find the area of the circle. round your answer to the nearest tent…
\(50.2\)
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is (overline{fg}) congruent to (overline{ef})?
no
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(14) find the circumference of the circle. round your answer to the nea…
\(25.1\)
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determine the length of segment ae. enter the coordinates of the two gi…
Coordinates \((x_1,y_1)\) of point \(A=(0,0)\) Coordinates \((x_2,y_2)\) of point \(E=(3,4)\) \(d=\sqrt{(3 - 0)^2+(4 - 0)^2}\) \(d = 5\) The length of segment \(AE\) is \(5\) feet
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1. complete the statement that describes the series of transformations …
\(\triangle MOP\) is reflected over \(x = 0\) then translated \(2\) units vertically and \(2\) units horizontally.
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(13) what is the length of the radius of this circle?
\(3\)
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is \\( \\overline { c d } \\) congruent to \\( \\overline { d e } \\)?
yes
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directions: select the best response. what is the length of the base of…
32
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is (overline{eg} cong overline{df})?
yes
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5. select all of the following compositions that preserve distance. a a…
A. A reflection over the \(y\) - axis followed by a dilation with a scale factor of \(0.5\) (reflection is an isometry, but if we consider the composition, the dilation part: if w…
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(12) use the side lengths you labeled to find the area of trapezoid lmn…
54 square units
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a kite has a 1 diagonal of 12 inches and a 2nd diagonal of 4 inches. wh…
\(24\) inches\(^{2}\)
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what is the difference between a kite and a rhombus? they are both quad…
a rhombus has all sides congruent and a kite has 2 pairs of congruent sides
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what is the formula for the area of a kite? lw 1/2d₁d₂ bh 1/2bh rewatch
\(\frac{1}{2}d_1d_2\) (i.e., the option \(1/2d_1d_2\))
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the area of the shape below is 36 cm². what is the value of x? the area…
\(20\ cm^{2}\)
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find the area of the triangle above.
\(63\mathrm{cm}^2\)
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2. what is the formula for the area of a circle? what is the area of th…
Formula for Area: \( A = \pi r^{2}\) Area: \( 153.86\) in²
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current skill solve and graph the following inequality: $-3 \\leq 4x + …
The solution of the inequality is \(-3\leq x\leq-\frac{1}{4}\). To graph it, draw a number line. Put a closed circle at \(-3\) (because \(x = - 3\) is included in the solution, du…
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in which quadrant is the point (-2, -3) located? quadrant i quadrant ii…
Quadrant III
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triangle abc has vertices a(0,0), b(6,8), and c(8,4). which equation re…
\(x-2y + 5=0\)
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find the distance between a and b a. \\( \\sqrt { 10 } \\) units b. 2 u…
A. \(\sqrt{10}\) units
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in the formula for circumference of a circle ( c = 2pi r ), solve for (…
\( r=\frac{C}{2\pi} \)
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task card 3 triangle abc has vertices a(0,0), b(6,8), and c(8,4). which…
The equation of the perpendicular bisector of $AB$ is $3x + 4y=10$.
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u is the midpoint of (overline{tv}). if (uv = 8x + 3) and (tv = 17x + 4…
\(38\)
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current skill $ which graph shows the solution set for this inequality?…
The graph with a closed circle at \(-\frac{5}{4}\) and the line extending to the left.
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s is the midpoint of (overline{rt}). if (st = x + 8) and (rt = 10x + 8)…
\(9\)
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l is the midpoint of (overline{km}). if (kl = 4x) and (km = 6x + 6), wh…
\(24\)
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a quadrilateral abcd has diagonals that are perpendicular bisectors of …
I. parallelogram, II. rhombus
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lesson 19: evidence, angles, and proof • lets make convincing explanati…
Figure A: \(130^{\circ}\), Figure B: \(150^{\circ}\), Figure C: \(115^{\circ}\), Figure D: \(45^{\circ}\)
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read the sentence. the squirrel who ran in circles around the circumfer…
The squirrel, who ran in circles around the circumference of the tree, chattered angrily at the curious cat.
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for a certain rectangle, the ratio of the width to the length is 1 to 2…
\(146\)
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which is true about the point $(x, -5)$? if $x = -3$, then the point is…
If \(x=-3\), then the point is in the same quadrant as \((-5,-3)\).
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e is the midpoint of (overline{df}). if (de = 3x) and (ef=x + 2), what …
\(3\)
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how would you move the green shape exactly over the gray shape using th…
A. Flip, C. Slide
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what is the ( mangle acb )? ( 10^{circ} ) ( 50^{circ} ) ( 90^{circ} ) (…
\(50^{\circ}\)
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t is the midpoint of \\( \\overline { s u } \\). if \\( s t = 2 x \\) a…
\(14\)
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how would you move the green shape exactly over the gray shape using th…
A. Slide, C. Turn
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how would you move the green shape exactly over the gray shape using th…
A. Slide, C. Turn
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select all the correct answers. using the side lengths of the given tri…
The right - triangles are the first (yellow: sides \(3\), \(4\), \(5\)), the third (light - blue: sides \(20\), \(21\), \(29\)), the fourth (purple: sides \(8\), \(15\), \(17\)), …
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how would you move the green shape exactly over the gray shape using th…
A. Slide, B. Turn
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how would you move the green shape exactly over the gray shape using th…
C. Turn
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complete the proofs below by giving the missing statements and reasons.…
1. 1. Given 2. Definition of a right angle 3. Angle - addition postulate 4. Substitution property of equality 5. Definition of complementary angles 2. 1. Given 2. Definition of co…
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how would you move the green shape exactly over the gray shape using th…
C. Slide
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how would you move the green shape exactly over the gray shape using th…
A. Turn
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how would you move the green shape exactly over the gray shape using th…
A. Slide
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what is an equation of the perpendicular bisector of the line segment s…
\(y=-2x - 2\)
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how would you move the green shape exactly over the gray shape using th…
A. Slide, B. Flip
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2. 0.72/1 points 1/12 submissions used (a) the unit circle is the circl…
The unit circle is centered at \((0,0)\) with radius \(1\).
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multiple choice: completely fill in the circle next to the best answer.…
1. to wait 2. Infinitives may be used as nouns, verbs, adjectives, and adverbs. 3. Objective 4. True 5. An infinitive with a subject 6. tense and voice (Note: There is no correct …
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use the figure on the right to answer #8 8. find ( mangle1,mangle2 ), a…
\(m\angle1 = 57^{\circ}\), \(m\angle2 = 57^{\circ}\), \(m\angle3 = 57^{\circ}\)
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14 multiple choice 1 point find \\( \\cos 34 ^ { \\circ } \\) to four d…
14. \(0.8290\) 15. \(\cos A=\frac{b}{c}\)
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12 multiple choice 1 point in the right triangle shown, what is the len…
12. \(5\mathrm{cm}\) 13. \(3\mathrm{ft}\)
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10 multiple choice 1 point the two triangles in the picture are similar…
\(x = \frac{3b}{a}\) (the second option)
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10 multiple choice 1 point the two triangles in the picture are similar…
\(\sqrt{161}\)
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8 multiple choice 1 point in the figure, \\( \\overline{nq} \\) is para…
4
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7 multiple choice 1 point in the right triangle shown, what is the leng…
B. \(8cm\)
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5. 43° 24° 57°
\(x = 62\), \(y = 99\), \(z = 81\)
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5 multiple choice 1 point in △abc, which of the following is equal to \…
\(\cos C\)
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in \\( \\triangle a b c \\), which of the following is equal to \\( \\f…
\(3\)
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7 from unit 1, lesson 3 here are two points in the plane. explain how t…
First, construct the perpendicular bisector of segment \(AB\) to find its mid - point \(M\) (so \(AM = MB=\frac{1}{2}AB\)). Then, using a compass, transfer the length of \(AM\) (o…
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1 multiple choice 1 point given the triangle xyz, what is cos z? 2 mult…
$\frac{15}{17}$ (corresponding to the third option) ---
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from unit 1, lesson 4 here is a straightedge and compass construction. …
Connect three of the marked intersection points. The triangle is equilateral because all sides are equal (as the circles have the same radius, so the distances between the interse…
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section 3.1 i can identify parallel and perpendicular lines and pairs o…
1. \(AD\parallel EF\) 2. \(CF\perp AD\) (or \(CF\perp EF\)) 3. \(\angle2\) and \(\angle3\) 4. \(\angle2\) and \(\angle5\) 5. Alternate exterior angles
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5 from unit 1, lesson 5 noah is trying to bisect angle bac. he draws ci…
Noah should have drawn the circles with centers on \(AB\) and \(AC\) (the sides of the angle \(BAC\)) instead of on \(B\) and \(C\).
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find the distance between a and b a. √82 units b. 9 units c. √10 units …
A. \(\sqrt{82}\) units
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type the correct answer in each box. spell all words correctly. complet…
Congruent, sides
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section 3.2 i can use properties of parallel lines. use the figure on t…
## 6. $m\angle2 = 78^{\circ}$, $m\angle4 = 102^{\circ}$ ## 7. $x = 40$
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the area of a square can be found using the equation ( a = s^{2} ), whe…
\( s=\sqrt{99}\ \text{in} \) (the third option)
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which of the lines below is a line of symmetry? a. neither b. red c. ye…
B. Red
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which of the lines below is a line of symmetry? a. yellow b. neither c.…
C. Red
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for the figure on the right, answer fig 8. find ( m angle 1, m angle 2 …
\(m\angle1 = 57^{\circ}\) (Corresponding angles are equal) \(m\angle2 = 57^{\circ}\) (Vertical angles are equal) \(m\angle3 = 57^{\circ}\) (Corresponding angles are equal)
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directions: write the measurement indicated using the picture of the ar…
1. \(84\) feet 2. \(92\) feet 3. \(80\) feet
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in the figure, △abc and △edc are shown. given: ∠a≅∠e and ∠bca≅∠dce. thr…
Step 2: Reflection across \(\overline{AC}\) Step 3: Dilation with center at point \(C\) and a scale factor of \(\frac{1}{2}\)
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in the figure, \\( \\triangle abc \\) and \\( \\triangle edc \\) are sh…
Step 2: Reflection across \(\overline{AC}\) Step 3: Dilation with a scale factor of \(\frac{1}{3}\) (centered at point \(C\))
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(20) the perimeter of a rectangle is 48 inches. if the length is 4 inch…
For problem 20: The width is \(\frac{20}{3}\) inches and the length is \(\frac{52}{3}\) inches. For problem 21: The two consecutive integers are \(-12\) and \(-11\)
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20) the perimeter of a rectangle is 48 inches. if the length is 4 inche…
The two consecutive integers are \(-6\) and \(-5\)
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the perimeter of △mns is 36 units. what is the length of (overline{rt})…
A. 12 units
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the measure of an angle is 43°. what is the measure of its supplementar…
\(137\)
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circle c was dilated to form circle c. part a what point is the center …
Part A: B. \((-2,2)\) Part B: \(2\)
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the measure of an angle is 10°. what is the measure of its supplementar…
\(170\)
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the isosceles trapezoid pqrs is shown. a dilation image of pqrs with a …
A. \(2:1\)
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aramis is adjusting a satellite because he finds it is not focusing the…
\(0.75\) in. above the vertex
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the measure of an angle is 86°. what is the measure of its complementar…
\(4\)
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use the information to answer the question. a triangle is graphed on th…
D. The triangle will shift one unit right and three units down.
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what is the value of w? w 28° 70°
\(42\)
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what is the value of q? 26° 44° q
\(70\)
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lana works at the front desk at a gym. she is paid $100 a week plus $5 …
Lana needs to enroll at least 20 members. The graph has a closed circle at 20 and an arrow pointing to the right.
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what is the value of m? 73° 26° submit work not feeling ready learn abo…
\(47\)
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gabe is designing a flashlight that uses a parabolic reflecting mirror …
\((0,1)\)
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the vertex of a parabola that opens downward is at (0,4). the vertex of…
The points of intersection are of equal distance from the y - axis.
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what is the value of b? 41° 68°
\(27\)
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what is the value of c?
\( 80 \)