幾何
三角形、圓、解析幾何與證明題。
-
find the bearing from o to a. the bearing from o to a is (square^{circ}…
$019$
-
the given lines are parallel. provide the value of x and the measure of…
$x = 9$, measure of the angles is $48^{\circ}$
-
if two angles are complementary and one measures 35°, then the other ma…
1. \(55^{\circ}\) 2. Congruent 3. \((6,4)\)
-
use the diagram below for # 12. 12. determine which lines, if any, can …
| Angle Relationship | Parallel Lines | Converse | | ---- | ---- | ---- | | a. $\angle8\cong\angle19$ | $l\parallel m$ | C. Alternate Exterior Angles Converse | | b. $\angle13\con…
-
which sentence from the world on turtles back best illustrates why the …
The woman placed the dirt on Turtle's back and performed a ritual to create the earth.
-
34. a square with a vertex at (-3,2) is translated 5 units left and 2 u…
34. B. (-8,0) 35. B. To a different location without rotating or flipping it 36. A. (3,-4)
-
in the figure below, m∠2 = 54° and m∠qpr = 152°. find m∠1. m∠1 = °
\(98\)
-
in the figure below, m∠1 = 77° and m∠2 = 68°. find m∠tsw.
$145$
-
37. which of the following transformations is a reflection? * 1 point m…
37. Flipping a figure over a line 38. $(-5,2)$ 39. The rectangle is flipped along the line $y = x$
-
in the figure below, m∠abc = 71° and m∠1 = 26°. find m∠2.
$45$
-
point j is on line segment $overline{ik}$. given $ik = 5x$, $ij = 4$, a…
20
-
in the given figure, m∠1 = 36° and m∠2 = 38°. find ∠pqs. m∠pqs = °
$74$
-
the given lines are parallel. provide the value of x and the measure of…
$x = 12$, measure of the angles is $135^{\circ}$
-
40. a point (2,3) is rotated 90° counter - clockwise around the origin.…
40. A. (-3,2) 41. D. A point at (-x,-y) 42. B. Turning a figure around a fixed point
-
in the figure below, m∠1 = 93° and m∠kjm = 132°. find m∠2.
$39$
-
in the figure below, m∠1 = 49° and m∠2 = 87°. find m∠abc.
$136$
-
find the perimeter. include the unit, 11 in 11 in 13 in 15 in
$50$ in
-
find the perimeter. include the unit. 10 ft 8 ft 18 ft 11 ft 12 ft
$59$ ft
-
43. a right triangle is rotated 270° clockwise around the origin. this …
43. 90° counterclockwise 44. Bring it back to its original position 45. The figure changed position and orientation
-
point g is on line segment $overline{fh}$. given $fg = 5x + 2$, $gh = 3…
7
-
point f is on line segment $overline{eg}$. given $fg = 3x - 5$, $ef = x…
4
-
claude is spending his vacation in the city and planning what he will d…
6 km
-
47. a hexagon is rotated 120° clockwise about its center. which of the …
The hexagon turns around the center and maintains its shape
-
46. which transformation does not change the size or shape of a figure?…
D. Both B and C
-
triangle abc is translated to triangle abc by the following motion rule…
A. $(4,-4)$
-
test 3 unit 3 completely fill in the circle next to the correct answer.…
1. False 2. False 3. True 4. True 5. False 6. True 7. True 8. boots 9. Franklin Delano Roosevelt 10. denouement
-
find the equation of the line: ○$y = x - 1$ ○$y=-\frac{1}{4}x - 1$ ○$y …
C. $y =-\frac{3}{4}x - 1$
-
what is the y - intercept of the following graph? the y - intercept is …
The y - intercept is 0.
-
solve for a. 10 15 6 o 10 o 30 o 15 o 25
B. 30
-
solve for a. 9 a 15 50 20 25 30 27.5
C. 30
-
the proof below shows that corresponding angles are congruent when two …
Step 2 reason: Corresponding angles postulate Step 3 reason: Vertical angles are congruent
-
1. problem: join all 9 dots using only 4 straight lines, without taking…
It is possible by thinking outside the box (extending lines beyond the square formed by the dots).
-
midpoint formula color by number directions: find the midpoint of the l…
1. $(8,1.5)$ 2. $(4,-2)$ 3. $(1,-9.5)$ 4. $(-2,-4)$ 5. $(-1,-0.5)$ 6. $(2,9)$ 7. $(-4.5,-0.5)$ 8. $(-3.5,-5.5)$ 9. $(3,-4)$ 10. $(-0.5,-6)$ 11. $(3.5,2.5)$ 12. $(25,29)$ 13. $(2,6…
-
solve for a. a 4 3 8 0.5 2 1 1.5
1.5
-
how many lines of symmetry does a rectangle that is not a square have? …
B. 2
-
question 2 2.1 find all complex numbers x such that $x^{3}+1 = 0$. give…
2.1: $x_1=\cos\frac{\pi}{3}+i\sin\frac{\pi}{3},x_2=\cos\pi+i\sin\pi,x_3=\cos\frac{5\pi}{3}+i\sin\frac{5\pi}{3}$ 2.2: $(0,5)$ 2.3: $x = 2,y=-7$ 2.4: Circle with center $(0,0)$ and …
-
7. a polygon with 8 sides is called a: mark only one oval. hexagon octa…
7. B. Octagon 8. B. Circle 9. B. Regular
-
solve the right triangle shown in the figure to the right. round length…
$B = 55.7^{\circ}$ $a\approx31.23$ $c\approx53.30$
-
given that ∠x≅∠d, and de≅xw, what is the third congruence needed to pro…
D. $\angle W\cong\angle E$
-
if a line moves down to the right, what kind of slope will it have? neg…
A. negative
-
fill in the blanks below. solving a right triangle means finding the mi…
sides; angles
-
the quadrilateral is a parallelogram. find the missing measure. what is…
B. 22
-
4. a line extends: * mark only one oval. infinitely in one direction in…
4. Infinitely in two directions 5. Segment 6. 2
-
if a line moves up to the right, what kind of slope will it have? negat…
C. positive
-
ellen needs to rotate figure klmn 90 - counterclockwise about the origi…
B. No, the coordinates of K will be $(-2,7)$
-
3. a point has: * mark only one oval. length only width only no dimensi…
C. No dimensions
-
a regular octagon is shown below. what is the smallest angle of rotatio…
B. \(45^{\circ}\)
-
question find the measure of the missing angles. answer attempt 1 out o…
\(b = 80\), \(c = 100\)
-
triangle abc is reflected over the line y = x to produce triangle abc. …
None of the given options are correct. The correct coordinates of $A'$ after reflecting point $A(2,1)$ over the line $y = x$ should be $(1,2)$.
-
angle addition and subtraction score: 0/2 penalty: none question solve …
$170$
-
state what additional information is required in order to know that the…
A. $\angle R\cong\angle Z$
-
a movie theater has a 27 - foot - high screen located 7 feet above your…
When x = 5 feet, $\theta\approx0.479$ radians; when x = 10 feet, $\theta\approx0.676$ radians; when x = 15 feet, $\theta\approx0.707$ radians; when x = 20 feet, $\theta\approx0.70…
-
you are shown ∠vwx below whose measure is 92°. draw your best estimate …
Draw a ray from $W$ such that the angle it makes with one of the sides of $\angle VWX$ is between $41^{\circ}$ and $51^{\circ}$.
-
a movie theater has a 27 - foot - high screen located 7 feet above your…
$0.478$
-
consider the lines and angles shown in the diagram. which statement is …
B. $m\angle1 = m\angle2$
-
△abc is an equilateral triangle. what are the approximate coordinates o…
D. $(4,4.5)$
-
the following points and lines exist in a plane. . $overleftrightarrow{…
C. $\overleftrightarrow{AB}\perp\overleftrightarrow{PQ}$
-
if lines m and n are parallel in the illustration below. which of the f…
C. $m\angle T = 95^{\circ}$
-
in the diagram, ∠4 and ∠5 are what type of angles? a. corresponding ang…
B. alternate interior angles
-
what type of quadrilateral has the vertices a(3, 6), b(3, 3), c(6, 3), …
A. square
-
which term best completes this definition? are formed by two end points…
B. Segments
-
perpendicular lines are two distinct coplanar lines that intersect to f…
D. right angle
-
graph the compound inequality on the number line. x<4 or x≥7
The number line has an open - circle at 4 with shading to the left of 4 and a closed - circle at 7 with shading to the right of 7.
-
given m||n, find the value of x.
$118$
-
unit 5 triangle congruence > lesson 5 the asa congruence theorem back t…
\(\angle A\cong\angle D\)
-
gonzales, julius lhs geo u3 fa #3 parallel lines & x 2x - 3 y x = y =
\(x = 3\) \(y = 177\)
-
given m||n, find the value of x. answer attempt 2 out of 2 x = 10
\(x = 34\)
-
in parallelogram abcd, diagonal $overline{ac}$ is drawn, and $angle bca…
\(\overline{AC}\cong\overline{AC}\) by the Reflexive Property of Congruence
-
solve for x. 23x - 5 15x - 5
$x = 0$
-
gonzales, julius lhs geo u3 fa #3 parallel lines & a solve for x. x + 1…
\(x=-4\)
-
he location of dallas as an ordered pair (x, y).
$(x,y)=(2, - 4)$
-
unit 5 triangle congruence > lesson 5 the asa congruence theorem back t…
Ray $AA'$ indicates a translation.
-
solve for x. 22x + 3 23x - 3
$x = 6$
-
solve for x. 11x + 12 5x + 8 x =
$x =-\frac{2}{3}$
-
to prove △abc≅△abc, which of the following shows how the asa criterion …
Rotate $\triangle ABC$ - 90 degrees (clockwise) about vertex C, and then reflect $\triangle A'B'C'$ across $\overline{CA'}$
-
7 curtis wants to build a model of a 180 - meter tall building. he will…
$77.1$ centimeters ### 8
-
which angle number represents an angle adjacent to ∠jrm?
$\angle 3$
-
determine if the triangles are similar. if so, state the postulate or t…
The triangles are not similar.
-
(c) problem 17: (first taught in lesson 31) find x and y.
$x = 14$, $y = 35$
-
determine if the two figures are congruent and explain your answer usin…
The two figures are congruent because we can map one figure onto the other using a sequence of rigid motions (a rotation and a translation).
-
5. consider the statement and graph shown. the figure abcde is the imag…
270° clockwise rotation about the origin
-
△acb ~ △qrs. complete each statement. a. ∠a ≅ ? b. ∠r ≅ ? c. $\frac{ab}…
a. $\angle Q$ b. $\angle B$ c. $AC$ d. $RQ$
-
problem 16: (first taught in lesson 31) find x. after you enter your an…
$38$
-
point r is the mid - point of (overline{qs}), and (overline{qr}) is 19 …
38
-
8. the graph shows line l and line m intersect to form a 45° angle at e…
Rotate quadrilateral \(ABCD\) \(90^{\circ}\) about point \(E\)
-
1 mrs. loan bought a pair of jeans that normally cost $40 for a sale pr…
a. 40% ### 2.
-
determine if the triangles are similar. if so, state the postulate or t…
The triangles are similar by the AA Similarity Theorem. The similarity statement is $\triangle ABC\sim\triangle DEC$.
-
select which shortcut can be used to prove this pair of triangles congr…
ASA (Angle - Side - Angle)
-
9. a rectangle has vertices at (2, 5), (6, 5), (6, 3), and (2, 3). whic…
The given 90 - degree rotation about the point \((4,4)\) will not result in the figure mapping onto itself.
-
if an angle is bisected to form two new 21.1° angles, what was the meas…
$42.2$
-
an angle is bisected, forming two new angles. each new angle has a meas…
$156$
-
11. wxyz is a trapezoid with vertices w(-1,2), x(3,2), y(5,-1), and z(-…
The line of symmetry is $x = 1$ because it connects the midpoints of $\overline{WX}$ and $\overline{ZY}$.
-
(b) problem 13: (first taught in lesson 23) from this given statement, …
The definition of a linear - pair of angles and the fact that congruent angles in a linear pair are right angles justify the prove statement.
-
look at this angle: does y lie in the interior or in the exterior of ∠v…
exterior
-
problem 12: (first taught in lesson 26) from this given statement, sele…
The Alternate - Interior Angles Converse Theorem
-
solve for m∠xvw. answer attempt 2 out of 2 m∠xvw =
$40$
-
(a) problem 11: (first taught in lesson 38) from this given statement, …
Corresponding parts of congruent triangles are congruent (CPCTC)
-
13. a regular hexagon undergoes a counterclockwise rotation around its …
$60$
-
find the measures of the angles of a triangle with angles measuring 110…
The third - angle measure is 25 degrees. It is an obtuse - angled triangle.
-
problem 10: find the measures of the angles of a triangle with angles m…
The third - angle measure is 25 degrees. It is an obtuse - angled triangle.