幾何
三角形、円、座標幾何、証明問題。
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solve the inequality ( n - 2 leq - 5 ). ( n leq - 3 ) graph the solutio…
Place a closed circle at \(-3\) on the number - line and shade the line to the left of \(-3\).
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x + 6 < 10 -6 -6 x < 4 x < 4 is the solution set of x + 6 < 10. graph t…
We place an open - circle at \(4\) on the number line and draw an arrow to the left.
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lisa wants to draw a right triangle with leg lengths of 20 cm and 15 cm…
\(25\) cm (Option b)
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solve the inequality ( y - 8 > -6 ). ( y - 8 > -6 ) ( +8 +8 ) add 8 on …
The solution of the inequality \(y-8 > - 6\) is \(y>2\). On the number - line, there is an open circle at \(2\) and the line is shaded to the right of \(2\).
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a tree on a hillside casts a shadow 210 ft down the hill, as shown in t…
\(167\)
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graph the image of the figure using the transformation 11) translation:…
The coordinates of the vertices of the translated image are \(A'(-1,0)\), \(B'(1,1)\) and \(C'(0,-2)\)
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question 4 1 pts what is an iron triangle? o a joining together of inte…
an alliance of common interest among an interest group, a congressional committee, and a bureaucratic agency
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find the distance across the lake from a to c, to the nearest yard, usi…
\(177\)
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find the distance across the lake from a to c, to the nearest yard, usi…
\(192\)
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solve the triangle. b = □° (type an integer or a decimal. do not round …
\( B = 107^{\circ} \) \( a\approx8.8 \) \( c\approx13.3 \)
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22) 50° 85° 53 + x
\(x=- 8\)
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16 multiple choice 1 point which of the following is true about rotatio…
A. A figure will preserve its congruence when rotated
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15 multiple choice 1 point triangle abc has vertices at a(1,2), b(3,2) …
C. \((-3,-2)\)
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point a(3,2) is rotation 90 degrees counterclockwise about the origin. …
A. \((-2,3)\)
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what is the rule for a 180 degree clockwise/counterclockwise rotation? …
\((x,y)\to(-x, - y)\) (the first option)
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which description of a rotation matches the table shown? pre - image\ti…
270 degrees clockwise
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9 multiple choice 1 point which is a true statement about dilations? a …
B. A dilation sometimes enlarges a figure.
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multiple choice 1 point which is a true statement about dilations? a di…
B. A dilation sometimes enlarges a figure.
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7 multiple choice 1 point a figure has a perimeter of 40 units. which o…
20 units
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which transformation changes the size of a figure but keeps shape the s…
D. Dilation
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point p(6,4) is dilated with a scale factor of 1/2 about the origin. wh…
\((3,2)\) (the fourth option)
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a triangle with vertices at a(2,3), b(4,3) and c(2,6) is dilated by a s…
A. \((4,12)\)
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solve for x. 21) x + 71 41° 69°
\(x=-1\)
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which of the following is not a true statement about the dilation shown…
The dilation changed the orientation of the figure.
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write the rule for the dilated triangle shown. (x,y)→(type your answer.…
\((x,y)\to(2x,2y)\)
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what was the scale factor used to create the dilation shown?
\(\frac{1}{3}\)
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11. what tradition came from pomona? a. \bobbing\ for apples (e3, f7, t…
A. "Bobbing" for apples
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find the measure of each angle indicated. 19)
\(70^{\circ}\)
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missing angles in triangles the sum of the angles of any triangle is fi…
A. \(40^{\circ}\) B. \(90^{\circ}\) C. \(53.5^{\circ}\) D. (This was mis - labeled in initial steps, but following correct calculation as above) E. \(90^{\circ}\) F. \(52.9^{\circ…
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16 multiple choice 1 point which of the following is true about rotatio…
A. A figure will preserve its congruence when rotated
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using parallel lines find ( mangle 1 ) and ( mangle 2 ). explain your r…
\( m\angle1 = 90^{\circ}\) and \( m\angle2=90^{\circ}\) because the lines are perpendicular, and all angles formed by perpendicular lines are right angles (\( 90^{\circ}\)).
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15 multiple choice 1 point triangle abc has vertices at a(1,2), b(3,2) …
B. \((-3,-2)\)
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classify each triangle by its angles and sides. equal sides and equal a…
13) Acute scalene triangle 14) Right scalene triangle 15) Obtuse isosceles triangle 16) Acute equilateral triangle
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point a(3,2) is rotation 90 degrees counterclockwise about the origin. …
\((-2,3)\) (the third option)
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a figures pre - image is located in quadrant i and rotation 270 degrees…
Quadrant IV
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12 multiple choice 1 point what is the rule for a 180 degree clockwise/…
\((x,y)\to(-x, - y)\)
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find h to the nearest tenth. the length of h is approximately (round th…
\(413.3\)
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which description of a rotation matches the table shown? pre-image imag…
270 degrees clockwise
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which is the correct algebraic representation of the transformation bel…
\((x,y)\to(-x,y)\)
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9 multiple choice 1 point which is a true statement about dilations? a …
A. A dilation sometimes enlarges a figure.
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using parallel lines find ( mangle 1 ) and ( mangle 2 ). explain your r…
\(m\angle1 = 51^{\circ}\) and \(m\angle2=129^{\circ}\)
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find y. write your answer as a whole number or a decimal. do not round.…
\(y = 4.8\) feet
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which of the following algebraic rules represents a dilation that is an…
\((\frac{5}{2}x,\frac{5}{2}y)\)
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in the diagram below, \\( \\triangle nop \\sim \\triangle lom \\). find…
\(p = 88\) meters
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7 multiple choice 1 point a figure has a perimeter of 40 units. which o…
20 units
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write your answer as a whole number or a decimal. do not round. u = squ…
\(16\)
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6 multiple choice 1 point which transformation changes the size of a fi…
A. Dilation
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5 multiple choice 1 point point p(6,4) is dilated with a scale factor o…
A. \((3,2)\)
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multiple choice 1 point a triangle with vertices at a(2,3), b(4,3) and …
\((4,12)\)
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find k. write your answer as a whole number or a decimal. do not round.…
\(k = 15\) meters
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which of the following is not a true statement about the dilation shown…
The dilation changed the orientation of the figure.
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in the diagram below, \\( \\triangle gfe \\sim \\triangle dce \\). find…
\(b = 72\) meters
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find k. write your answer as a whole number or a decimal. do not round.…
\(k = 8\) meters
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2 fill in the blank 1 point write the rule for the dilated triangle sho…
\((x,y)\to(2x,2y)\)
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what was the scale factor used to create the dilation shown?
\(\frac{1}{3}\)
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in the diagram below, \\( \\triangle lhi \\sim \\triangle jhk \\). find…
\(s = 10\) feet
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two sides of a triangle have the following measures. find the range of …
7) \(5\lt c\lt19\) 8) \(1\lt c\lt15\) 9) \(1\lt c\lt17\) 10) \(6\lt c\lt18\) 11) \(1\lt c\lt19\) 12) \(3\lt c\lt15\)
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using parallel lines find ( mangle1 ) and ( mangle2 ). explain your rea…
\( m\angle1 = 123^{\circ} \), \( m\angle2 = 57^{\circ} \)
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the area of a circle is 16π square centimeters. what is the radius? a =…
\(4\)
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the area of a circle is π square centimeters. what is the radius? a=π c…
\(1\)
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the area of a circle is 100π square kilometers. what is the circumferen…
\(20\pi\) kilometers
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the diameter of a circle is 10 meters. what is the circumference? give …
\(10\pi\)
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8. is ∠1 is a complement of ∠2 and the measure of ∠1 = 43°, what is the…
D. \(47^{\circ}\)
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the radius of a circle is 7 meters. what is the circumference? give the…
\(14\pi\)
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the circumference of a circle is 20π centimeters. what is the area? giv…
\(100\pi\)
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the area of a circle is 81π square feet. what is the circumference? a =…
\(18\pi\)
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the circumference of a circle is 5π miles. what is the area? give the e…
\(\frac{25\pi}{4}\)
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the circumference of a circle is 14π kilometers. what is the radius? gi…
\(7\)
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the circumference of a circle is 10π inches. what is the radius? c = 10…
\( 5 \)
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the circumference of a circle is 2π centimeters. what is the diameter? …
\(2\)
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the area of a circle is 64π square feet. what is the diameter? give the…
16
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the area of a circle is 49π square centimeters. what is the radius? a =…
\(7\)
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the area of a circle is 25π square feet. what is the radius? give the e…
\( 5 \)
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the circumference of a circle is 5π centimeters. what is the radius? gi…
\(\frac{5}{2}\)
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the diameter of a circle is 2 inches. what is the area? give the exact …
\(\pi\)
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the radius of a circle is 4 kilometers. what is the area? give the exac…
\(16\pi\)
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the radius of a circle is 6 inches. what is the circumference? give the…
\(12\pi\)
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the radius of a circle is 2 centimeters. what is the circumference? giv…
\(4\pi\)
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the diameter of a circle is 4 kilometers. what is the circumference? gi…
\(4\pi\)
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the diameter of a circle is 18 centimeters. what is the area? give the …
\(81\pi\)
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the radius of a circle is 5 miles. what is the circumference? give the …
\(10\pi\)
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the diameter of a circle is 14 feet. what is the area? give the exact a…
\(49\pi\)
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the diameter of a circle is 3 meters. what is the circumference? give t…
\(3\pi\)
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match the following terms about angle relationships to the correct defi…
Corresponding Angles: Angles in the same relative position; Angles in "matching corners" Vertical Angles: Pairs of opposite angles formed by intersecting lines Linear Pair: Adjace…
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15 multiple choice 1 point which statement is true about the triangle s…
C. \(w = 81^{\circ}\), because \(180-(42 + 39)=99\) and \(180 - 99=81\)
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14 fill in the blank 1 point find the measure of the missing exterior a…
\(116\)
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13 fill in the blank 1 point find the measure of the missing interior a…
\(61\)
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12 fill in the blank 1 point lines a and b are parallel lines cut by a …
\(123\)
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11 fill in the blank 1 point lines a and b are parallel lines cut by a …
\(63\)
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10 fill in the blank 1 point lines a and b are parallel lines cut by a …
\(115\)
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9 multiple choice 1 point lines a and b are parallel lines cut by a tra…
$\angle3$ and $\angle5$
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8 multiple choice 1 point lines a and b are parallel lines cut by a tra…
$\angle6$
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7 multiple choice 1 point lines a and b are parallel lines cut by a tra…
Vertical angles
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6 multiple choice 1 point lines a and b are parallel lines cut by a tra…
Corresponding angles
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find the area of the triangle below. be sure to include the correct uni…
\(210\space cm^{2}\)
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lines a and b are parallel lines cut by a transversal. angle 3 and angl…
Alternate interior angles
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find the area of the triangle below. be sure to include the correct uni…
\(45\) yd²
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which of the following is a true statement about the angles in the figu…
The \(m\angle4\) is \(137^{\circ}\)
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find the $mangle ule$ in the triangle below.
\(67^{\circ}\)
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triangles - classify, interior & exterior angles #2 state if the three …
1) Yes 2) Yes 3) No 4) Yes 5) Yes 6) Yes