幾何
三角形、円、座標幾何、証明問題。
-
what are the coordinates of the image of vertex r after a reflection ac…
D. (3, 4)
-
10 in the graph, what translation vector maps triangle abc onto triangl…
\(\langle - 10,-4 angle\) (the third option \(\lt - 10,-4\gt\))
-
which statement describes the order of rotational symmetry for an isosc…
B. An isosceles triangle has an order 1 rotational symmetry because it does not have all congruent angles
-
square pqrs is transformed as shown on the graph. which rule describes …
\(R_{0,180^{\circ}}\)
-
16. a conical silo has a volume of $500\\pi\\mathrm{m}^{3}$ and a radiu…
B. 30 m
-
which two undefined geometric terms always describe figures with no beg…
A. a line and a plane
-
planes s and r both intersect plane t which statements are true based o…
- B. The line containing points A and B lies entirely in plane T - D. Line z intersects plane S at point C - E. Planes R and T intersect at line y
-
9. draw a counterexample that proves the following statement wrong. \if…
Draw two parallel lines cut by a transversal where the corresponding angles are obtuse (e.g., \(120^{\circ}\) each).
-
angles x and y are supplementary angle x is 3 times the measure of angl…
D. \(135^{\circ}\)
-
12. select all of the following transformations that result in figures …
A. \((3x,3y)\), D. \((\frac{1}{2}x,\frac{1}{2}y)\), H. \((4x,2y)\)
-
what is the smallest angle of rotational symmetry for a square? 45° 90°…
B. \(90^{\circ}\)
-
1. the translation ( t_{(4,-5)}(\triangle mnp) ) indicates a transforma…
down \(5\)
-
1. the translation $t_{(4,-5)}(\triangle mnp)$ indicates a transformati…
\( B'=(0,0) \), \( C'=(7,-7) \), \( E'=(-8,5) \), \( F'=(-5,7) \), \( H'=(-4,-2) \), \( J'=(1,2) \)
-
how many lines of reflectional symmetry does an equilateral triangle ha…
C. 3
-
if a quadnlateral has exactly 2 lines of symmetry, and both are angle b…
C. The figure could be a rhombus because the 2 lines of symmetry bisect the angles
-
2.1 triangle abc is dilated by a scale factor of 3. the image is triang…
The scale factor of dilation is \(2\).
-
15. the area of the base of a cylinder with a radius of 3 cm is_____. a…
A. \(9\pi\ \text{cm}^2\)
-
translate the figure 9 units up. then decide if each statement about tr…
1. False 2. False 3. True 4. False
-
how can a regular hexagon be folded to show that it has reflectional sy…
A. Fold the hexagon along a line from a vertex to the midpoint of an opposite side
-
14. a cylinder has a base area of 25π cm² and a height of 7 cm. what is…
A. \(175\pi\ \text{cm}^3\)
-
solve for x. round your answer to the nearest tenth. answer attempt 1 o…
\(18.0\)
-
which statements are true about the lines of symmetry of a regular pent…
C. Every line bisects a vertex angle, D. Every line bisects a side, E. Every line is perpendicular to a side
-
solve for x. round your answer to the nearest tenth. answer attempt 1 o…
\(50.3\)
-
translate the figure 7 units down. then decide if each statement about …
1. False 2. True 3. True 4. True
-
solve for x. round your answer to the nearest tenth. answer attempt 2 o…
\( 39.8 \)
-
if this regular decagon is rotated counterclockwise by 3 times the smal…
E
-
13. if you have a sphere with a radius of 4 cm, what is its volume? a. …
C. \(301.44\ \text{cm}^3\)
-
in circle g, gh = 10 and m∠hgi = 72°. find the length of (overparen{hi}…
\(4\pi\)
-
the smallest angle of rotational symmetry for a regular polygon is 30°.…
B. 12
-
12. if a cone has a radius of 5 cm and a height of 10 cm, its volume is…
B. $\frac{250}{3}\pi\mathrm{cm}^3$
-
which polygon will always have 4 - fold reflectional symmetry and order…
D. square
-
in circle r, rs = 3 and m∠srt = 110°. find the length of st. express yo…
\(\frac{11\pi}{6}\)
-
in circle c, cd = 10 and the length of de = 8π. find m∠dce.
\(144\)
-
the regular nonagon has rotational symmetry of which angle measures? ch…
- \(40^{\circ}\) - \(120^{\circ}\) - \(240^{\circ}\)
-
11. what is the unit of measurement for volume when using centimeters? …
D. cubic centimeters
-
second conditional circle the correct choices below. 1. if i would have…
1. had 2. studied 3. were 4. didn't have 5. were 6. wouldn't be 7. spoke 8. didn't live 9. ate 10. 'd see 11. would win 12. would make 13. could get 14. knew 15. didn't work 16. l…
-
13. a kite is flying at the end of a stretched string 150 meters long. …
68.1 ft
-
what is the order of rotational symmetry for the parallelogram? 0 1 2 4
2
-
lesson 3 - 4 hw 2.) triangle abc is dilated by a scale factor of 3. the…
a) The missing side is \(4\). b) The scale factor is \(4\).
-
in circle w, m∠xwy = 135° and the length of ⌢xy = 3π. find the length o…
\(4\)
-
which diagram has all of the correct lines of reflectional symmetry for…
The first diagram (assuming the first one has 5 lines of symmetry as a regular pentagon should).
-
in circle a, ab = 11 and m∠bac = 20°. find the length of ⌢bc. express y…
\(\frac{11}{9}\pi\)
-
what is the smallest angle of rotational symmetry for the regular octag…
45
-
in circle ( o ), ( mangle poq = 60^{circ} ) and the length of ( overpar…
\(2\)
-
triangle fgh is the image of isosceles triangle feh after a reflection …
A. Is NOT a result B. Is a result C. Is a result D. Is a result E. Is NOT a result
-
which statements are true regarding the symmetry of the isosceles trape…
- The trapezoid has 1 line of reflectional symmetry. - The trapezoid has rotational symmetry of order 1. - The line of symmetry is a vertical line.
-
10. if the radius of a cylinder is 5 cm and the height is 10 cm, what i…
B. \(250\pi\ \text{cm}^3\)
-
how many reflectional symmetry does the regular hexagon have?
6
-
in circle b, bc = 3 and m∠cbd = 80°. find the length of cd. express you…
\(\frac{4}{3}\pi\)
-
in circle t, m∠utv = 80° and the length of ⌢uv = 4/3π. find the length …
\(3\)
-
8. triangle bcd with vertices b(-2, 3), c(8, 7), and d(-1, -5): y = x b…
\(B'(3,-2)\), \(C'(7,8)\), \(D'(-5,-1)\)
-
given the circle below with secants \\( \\overline { f g h } \\) and \\…
\(39\)
-
7. quadrilateral stuv with vertices s(-3, -3), t(3, -5), u(6, -7), and …
\(S'(-3,-5)\) \(T'(3,-3)\) \(U'(6,-1)\) \(V'(-2,-1)\)
-
in circle d with ( mangle cde = 130^{circ}) and ( cd = 12) units, find …
\(27.23\)
-
11. solve for x. round to the nearest hundredth. 26.00 in 14.22 in 8.00…
\(19.23\) in
-
in circle q with ( mangle pqr = 86^{circ} ) and ( pq = 6 ), find the ar…
\(27.02\)
-
give the location of boston as an ordered pair $(x,y).$
\((x,y)=(5,5)\)
-
dilations 1. given that \\( \\triangle a ^ { prime } b ^ { prime } c ^ …
B. The angles are congruent and the side lengths are proportional. ### 2.
-
from a boat at sea, the measure of the angle of elevation to the top of…
$161.5$ m
-
give one pair of supplementary angles and one pair of vertical angles s…
(a) Supplementary angles: \(\angle1\) and \(\angle2\) (or other valid linear - pair combinations like \(\angle1\) and \(\angle4\), \(\angle2\) and \(\angle3\), \(\angle3\) and \(\…
-
given the circle below with secants \\( \\overline { f g h } \\) and \\…
\(14\)
-
given the circle below with secants \\( \\overline { a b c } \\) and \\…
\(33\)
-
the highest looping rollercoaster is in colorado. an angle of elevation…
\(115\) ft
-
give one pair of vertical angles and one pair of supplementary angles s…
(a) Vertical angles: \(\angle2\) and \(\angle3\) (or other valid pairs like \(\angle1\) and \(\angle4\), \(\angle6\) and \(\angle7\), \(\angle5\) and \(\angle8\)) (b) Supplementar…
-
geometry in construction name_ id: 2 u2-d1,d2 quiz period_ find the slo…
1. \(2\) 2. \(-4\) 3. \(-2\) 4. \(-2\) 5. \(11.2\) km 6. \(14.2\) yd
-
using the pencil, plot the reflection of point ( a ) across the line ( …
Plot the point \((-1,2)\) on the coordinate - plane.
-
give one pair of supplementary angles and one pair of vertical angles s…
(a) Supplementary angles: \(\angle1\) and \(\angle2\) (b) Vertical angles: \(\angle1\) and \(\angle6\)
-
using the same problem, what is the measure of the angle on the left? *…
\(49^{\circ}\)
-
6. a rope from the top of a mast on a sailboat is attached to a point 1…
20.6 feet
-
find x * 138° x your answer find x * x+13° 2x - 23° your answer
\(138\) \(36\)
-
9. which of the following best explains why a cones volume is \\( \\fra…
D. A cone occupies one - third of the space of a cylinder with the same base and height.
-
give one pair of supplementary angles and one pair of vertical angles s…
(a) Supplementary angles: \(\angle2\) and \(\angle3\) (b) Vertical angles: \(\angle1\) and \(\angle3\)
-
find bc and then find the sine, cosine, and tangent of ∠a. give your an…
\(\sin A=\frac{3}{5}\), \(\cos A=\frac{4}{5}\), \(\tan A=\frac{3}{4}\)
-
4. using trig functions and the given triangle, find the value of x and…
\(x = 15.6\) mm, \(y = 15.6\) mm
-
8. which of the following fields uses the volume of cones? a. literatur…
D. Engineering
-
2. solve for x. round your answer to the nearest hundredth. 17 cm 6 cm …
\(15.91\) cm
-
pcm mid - unit 2 quiz 1) solve for x. show work. 5 - 2(x + 3)=9 2) eval…
1. \(x=-5\) 2. \(18\) 3. \(x < - 2\) (graph: open circle at \(-2\), shade left)
-
2. given: \\( \\overline{st} \\parallel \\overline{uv}, \\overline{st} …
1. \( \overline{ST}\parallel\overline{UV}\), \( \overline{ST}\cong\overline{VU}\) (Given) 2. \(\angle TSW=\angle VUW\), \(\angle STW=\angle VUW\) (Alternate - interior angles for …
-
7. what measurement do you need to calculate the volume of a cylinder? …
A. Radius
-
name: date: per: unit 4: congruent triangles homework 6: congruent tria…
1. Statements: \(\angle ABD\cong\angle CBD\); Reasons: Definition of angle bisector. 2. Statements: \(BD = BD\); Reasons: Reflexive property. 3. Statements: \(\triangle ABD\cong\t…
-
solve for x. round your answer to the nearest tenth. answer attempt 1 o…
\(16.4\)
-
4. solve for x. x:__________________________
\(x = 18\)
-
6. if a sphere has a diameter of 14 inches, what is its radius? a. 28 i…
C. 7 inches
-
solve for x. round your answer to the nearest tenth.
\(73.5\)
-
5 find the value of \\( \\angle 1 \\).
B. \(37^{\circ}\)
-
4 what is the value of \\( \\angle f \\)?
C. 40
-
3 the triangle below is an equilateral triangle, one angle measures $7x…
A. \(x = 16\)
-
2 find a. a x = 94 b x = 47 c x = 50 d x = 40
B. \(x = 47\)
-
in a scale drawing of a painting, 1 centimeter represents 7 inches. ans…
(a) \(63\) inches (b) \(4\) centimeters
-
question solve for x. round your answer to the nearest tenth. answer at…
\(17.2\)
-
in the figure below, ( l parallel m ). find ( x ).
\(x = 55\)
-
in the accompanying diagram the width of the inner rectangle is represe…
\(8x^2 - 25\)
-
solve for x. round your answer to the nearest tenth. answer attempt 1 o…
\(25.5\)
-
this vasing crystal vase has a height of 30 centimeters. the cross sect…
\(3840\)
-
solve for x. round your answer to the nearest tenth. answer attempt 1 o…
\(33.4\)
-
in the accompanying diagram, the width of the inner rectangle is repres…
A. \(9x^{2}-16\) B. \(x^{2}-9\)
-
find the volume of a cone with a height of 9 cm and a base diameter of …
\(84.78\) cubic centimeters
-
each small square has side of length 1 centimeter. what is the exact vo…
\( 27\pi \)
-
solve for x. round your answer to the nearest tenth.
\(12.4\)
-
find the volume of a cone with a base radius of 6 ft and a height of 10…
\(376.8\space ft^{3}\)