幾何
三角形、円、座標幾何、証明問題。
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the graph shows triangles ijk and ijk. which sequence of transformation…
a translation right 2 units and up 3 units followed by a reflection across the $x$-axis
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problem 17: (first taught in lesson 20) find the measure of ∠aob. after…
$26^{\circ}$
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(d) problem 18: the measure of one of two complementary angles is 6 les…
32, 58
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which type of triangle will always have at least 1 - fold reflectional …
isosceles triangle
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which figure has an order 3 rotational symmetry? right triangle equilat…
equilateral triangle
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b place parentheses around each prepositional phrase. un and circle its…
1. (from its cage), cage 2. (behind the fence), fence 3. (across the street), street 4. (after lunch), lunch 5. (during the Stone Age), Stone Age 6. (down the mountain), mountain …
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geometry with statistics honors geometry readiness assessment solve the…
C. $a = 4,b = 5$
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which figure has the same order of rotational symmetry as a rectangle? …
D. rhombus
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problem 11: from this given statement, select the definition, property,…
A. Definition of a midpoint
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identify the pair of angles ∠6 and ∠8, and the pair ∠4 and ∠7 and then …
A. ∠6 and ∠8 are supplementary angles; ∠4 and ∠7 are alternate interior angles.
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if a quadrilateral has exactly 2 lines of symmetry, and both are angle …
The figure could be a rhombus because the 2 lines of symmetry bisect the angles.
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15) 16) 17) 18) sketch an example of the type of triangle described. ma…
19) Sketch an acute - angled triangle with two equal sides. 20) Sketch a right - angled triangle with all sides unequal. 21) Sketch a right - angled triangle with two equal sides.…
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how many lines of reflectional symmetry does an equilateral triangle ha…
C. 3
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a regular polygon has 15 sides. which is a possible angle of rotational…
A. 12°
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name the marked angle in 2 different ways.
∠U, ∠TUV (or ∠VUT)
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sketch an angle θ in standard position such that θ has the least positi…
For the sketch: The angle in the second - quadrant is the correct one (you need to visually identify the sketch with the terminal side in the second quadrant among the options). F…
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intermediate algebra (math 1215 - w71 fall 2025) homework: section 2.2 …
58
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name the marked angle in 2 different ways.
$\angle NOQ$, $\angle QON$
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grammar: prepositions and prepositional phrase assess a fill in each bl…
1. on 2. into 3. In 4. under 5. during 6. into 7. under 8. inside 9. through 10. During 1. (from its cage), underlined: from, circled: its cage 2. (behind the fence), underlined: …
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name the marked angle in 2 different ways.
$\angle A$, $\angle BAD$
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1.6 practice with calcchat and calcview in exercises 1 - 4, use the dia…
5. m∠2 = 67° 6. m∠4 = 44° 7. m∠6 = 102° 8. m∠8 = 71° 9. The angles are 47° and 133° 10. The angles are 58° and 32° 11. m∠UVW = 12°, m∠XYZ = 78° 12. m∠EFG = 161°, m∠LMN = 19°
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use the diagram shown to the right to find the unknown lengths of sides…
\(59\) feet
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13. a company is making building blocks. what is the length of each sid…
$1\ ft$
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name the marked angle in 2 different ways.
1. $\angle J$ 2. $\angle IJK$
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identify the pair of angles ∠1 and ∠4, and the pair ∠3 and ∠6 and then …
A. ∠1 and ∠4 are supplementary angles; ∠3 and ∠6 are alternate interior angles.
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which rule describes the composition of transformations that maps △bcd …
$r_{y=-x}\circ T_{5,-6}(x,y)$
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complete this sentence with the best of the choices given. a(n) _______…
E. obtuse angle
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sketch an example of the type of triangle described. mark the triangle …
19) Sketch a triangle with all angles < 90° and two equal - length sides. 20) Sketch a triangle with one 90° angle and all sides of different lengths. 21) Sketch a triangle with o…
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the byzantine empire and the division of christianity i. the fall of th…
1. A. 1. trade - deficit 2. weak emperors 3. Roman military 4. dividing B. 1. Western 2. Constantinople 3. Germanic tribes; Middle Ages 2. A. 1. Western; Eastern 2. trade; wealthy…
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problem 4: complete this sentence with the best of the choices given. a…
Complementary angles
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given: $overline{de}paralleloverline{gf},overline{ef}paralleloverline{d…
4. Angle - Addition Postulate 5. $m\angle EDG=m\angle EFG$
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11. a square technology chip has an area of 25 square centimeters. how …
5 centimeters
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given: (overline{de}paralleloverline{gf},overline{ef}paralleloverline{d…
1. Given 2. $\angle 1=\angle 4$, $\angle 2 = \angle 3$ (If two parallel lines are cut by a trans - versal, then their alternate interior angles are equal) 3. By the angle - additi…
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the rule $r_{y - axis}circ r_{0,90^{circ}}(x,y)$ is applied to $\triang…
4
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8. relate the area of the square to the length of each side. a = 16 cm²…
4 cm × 4 cm $\sqrt{16}=4$
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given: ∠aob and ∠boc are a linear pair; m∠aob = m∠boc prove: ∠aob and ∠…
1. Given 2. Definition of linear - pair (The sum of the measures of angles in a linear pair is 180°) 3. Given 4. Substitution (Since \(m\angle AOB=m\angle BOC\), substitute \(m\an…
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leveled practice in 7 and 8, evaluate the cube root or square. 7. relat…
2 cm, 2 cm, 2 cm; 2
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translate point c using (x + 5, y + 3). enter the new coordinates. c=(?…
(2, 5)
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problem 3: (first taught in lesson 20) complete this sentence with the …
C. perpendicular bisector
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which rule describes the composition of transformations that maps △abc …
$r_{m}\circ R_{B,90^{\circ}}$
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paragraph \t\ for q.no. 11 and 12 consider an obtuse - angled triangle …
1. **For question 11**: - **Explanation**: - **Step 1: Let the angles and sides of the triangle** - Let the angles of the triangle be \(A,B,C\) such that \(A > B > C\). Given \(A …
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11. ridamani modeled a pyramid with a circular base from a log of wood.…
$2884.875$ $cm^{3}$
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point e is the midpoint of ab and point f is the midpoint of cd. which …
$AE=\frac{1}{2}AB$, $CE + EF=FD$
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4. in a positive angle, the terminal side inclines ____________ from th…
A. Counterclockwise
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what is the measure of ∠dcf? the measure of ∠dcf is degrees.
$129$
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classify each triangle by each angles and sides. 7) 8) 9) 10) 11) 12) c…
7) Acute - angled, equilateral 8) Acute - angled, scalene 9) Right - angled, scalene 10) Obtuse - angled, isosceles 11) Acute - angled, isosceles 12) Right - angled, isosceles 13)…
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what is the midpoint of fb? point a point h point g point l
point H
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what is the midpoint of $overline{ab}$?
point I
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using the segment addition postulate, which is true? ab + bc = ad ab + …
C. BC + CD = BD
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in a circle, the length of an arc intercepted by a central angle is 12 …
1.5
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the graph shows triangles fgh and fgh. which sequence of transformation…
a rotation 180° around the origin followed by a reflection across the line \(x=-2\)
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point b is the midpoint of $overline{ac}$. which statements about the f…
2 m∠DBC = m∠ABC, ∠ABC is bisected by ray BD, BC=\frac{1}{2}AC
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5 - a - day language review: week 5 ① living in the city my whole life,…
1. Rural, natural, unrefined. 2. The misspelled word is "excede", the correct spelling is "exceed". 3. My dog (a Labrador retriever) is almost twelve years old. 4. Me, objective. …
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given that m∠klh = 120° and m∠klm = 180°, which statement about the fig…
\(m\angle HLJ = m\angle JLM\)
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given that (mangle klh = 120^{circ}) and (mangle klm = 180^{circ}), whi…
None of the above statements are true.
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square a\b\c\d\ is the final image after the rule $t_{ - 4,-1}circ r_{0…
D. \((-2,1)\)
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the graph shows triangles klm and klm. which sequence of transformation…
a reflection across the $y$-axis followed by a translation right 11 units and down 10 units
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which is defined using the undefined terms point and line? parallel lin…
ray
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the graph shows rhombuses jklm and jklm. which sequence of transformati…
a reflection across the $y$-axis followed by a rotation $90^{\circ}$ counterclockwise around the origin
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which pair of undefined terms is used to define a ray? point and line s…
B. point and line
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the graph shows triangles efg and efg. which sequence of transformation…
a rotation 90° counterclockwise around the origin followed by a translation right 2 units and down 6 units
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which pair of undefined terms is used to define the term parallel lines…
plane and line
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which undefined term can contain parallel lines? line plane ray point
B. plane
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which is the definition of a line segment? a part of a line that has on…
a part of a line that has two endpoints
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the definition of a circle uses the undefined term _______. plane ray a…
plane
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which is the definition of a ray? the set of all points in a plane that…
a part of a line that has one endpoint and extends indefinitely in one direction
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which undefined term is used to define an angle? point line ray plane
ray
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which defines a circle? a piece of a line with two endpoints all coplan…
all coplanar points equidistant from a given point
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what is the name of this figure?
Ray KJ
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what is the name of this figure? s t
Line - segment ST
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what is the name of this figure?
Line - segment UV
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what is the name of this figure?
Ray YZ
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what is the name of this figure?
Line - segment XW
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what is the name of this figure? d c
Line
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what is the name of this figure? z y
Line - segment YZ
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classify this triangle by its sides. scalene isosceles but not equilate…
isosceles but not equilateral
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classify this triangle by its sides. isosceles but not equilateral equi…
scalene
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classify this triangle by its sides. isosceles but not equilateral scal…
isosceles but not equilateral
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classify this triangle by its sides. scalene equilateral isosceles but …
isosceles but not equilateral
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classify this triangle by its sides. equilateral scalene isosceles but …
isosceles but not equilateral
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classify this triangle by its sides. scalene isosceles but not equilate…
scalene
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what kind of triangle is this? 58° 60° 62° acute right obtuse
acute
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what kind of triangle is this? 46° 44° 90° acute right obtuse
right
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a triangle has angle measurements of 68°, 23°, and 89°. what kind of tr…
acute
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34. find the length of uw if w is between u and v, uv = 16.8 centimeter…
$x = 4$
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what kind of triangle is this? equilateral isosceles but not equilatera…
equilateral
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2. find the order of the given group and the order of each element of t…
a. Order of \(\langle\mathbb{Z}_8,+\bmod{8} angle\) is \(8\). Order of \(0\) is \(1\), order of \(1\) is \(8\), order of \(2\) is \(4\), order of \(3\) is \(8\), order of \(4\) is…
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what kind of triangle is this? acute right obtuse
acute
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a triangle has angle measurements of 78°, 34°, and 68°. what kind of tr…
acute
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a triangle has angle measurements of 44°, 44°, and 92°. is this triangl…
yes
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is this triangle equilateral? yes no
yes
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what kind of triangle is this? equilateral isosceles but not equilatera…
scalene
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adapted from submarines from the story of great inventions by elmer ell…
| Sentence | Cause or Effect | |--|--| | It carries a heavy charge, either of guncotton or dynamite, which explodes when the torpedo strikes a solid object, such as a battle - shi…
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a triangle has angle measurements of 75°, 75°, and 30°. what kind of tr…
isosceles but not equilateral
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a triangle has side lengths of 5 millimeters, 5 millimeters, and 2 mill…
no
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a triangle has angle measurements of 88°, 90°, and 2°. what kind of tri…
right
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suppose that you are headed toward a plateau 24.8 meters high. if the a…
$78.5$
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each of a triangles sides measures 16 meters. is this triangle equilate…
yes
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what kind of triangle is this? equilateral isosceles but not equilatera…
isosceles but not equilateral
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6. use the diagram below to answer the questions to the right. 7. find …
6a) Line BD 6b) Line BD 6c) Points B, C, D 6d) Points A, B, C, N 6e) Rays CB and CD 7) $(-1,6.5)$ 8) $(-4,13)$ 9) $8\sqrt{2}\approx11.31$ 10a) Mid - point $M=(6,7)$. It represents…