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April 21, 2014

April 21, 2014

**Recent Homework Questions About Geometry**

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**Geometry**

I would just add up the two vectors (289cos106°, 289sin106°) + (32cos180, 32sin180) = (-79.659 , 277.805) + (-32 , 0) = (-109.659 , 277.805) magnitude = √(109.659^2 + 277.805^2) = 298.665 mph direction ? tanØ = 277.805/-109659 Ø = 111.54° which ...
*Tuesday, September 24, 2013 at 9:57pm*

**Geometry**

what about it ?
*Tuesday, September 24, 2013 at 9:47pm*

**Geometry**

construct a right angled triangle, let one non-90° angles be x, then the other is 90-x recall sinx = opposite/hypotenuse and cosx = adjacent /hypotenuse but when we look at the angles x and 90-x, the opposite of one becomes the adjacent of the other So it should be very ...
*Tuesday, September 24, 2013 at 9:47pm*

**Geometry**

find the volume of a triangular prisim with a=2.3, c=2 and h=1.5
*Tuesday, September 24, 2013 at 9:46pm*

**Geometry**

what shape does a semi circle form when rotated?
*Tuesday, September 24, 2013 at 9:42pm*

**Geometry**

what shape does a square form when rotated?
*Tuesday, September 24, 2013 at 9:42pm*

**Geometry**

what is the volume of a cylinder with a radius of 1.2 and height of 5.3cm
*Tuesday, September 24, 2013 at 9:41pm*

**Geometry**

A plane flying 16 degrees west of north at 289mph is flying in air which is moving 32mph at due west. Find the resulting speed and direction of the plane. (Step by step please!)
*Tuesday, September 24, 2013 at 9:34pm*

**Geometry**

A regular hexagon with radius 6.2m.
*Tuesday, September 24, 2013 at 9:32pm*

**Geometry**

A regular pentagon with radius 5inches.
*Tuesday, September 24, 2013 at 9:30pm*

**Geometry**

Explain why sinx degrees= cos(90-x)degrees. include a diagram with your explanation.
*Tuesday, September 24, 2013 at 9:29pm*

**Geometry**

4.5/3 = 1.5 6.75/4.5 = 1.5 the ratio between terms appears to be a constant 1.5
*Tuesday, September 24, 2013 at 8:42pm*

**Geometry**

these numbers are all primes. Using that pattern, the sequence continues with 13,17,23,29,... Or, you could say that the numbers differ by 1,2,2,4,... So, the pattern of differences could be 1 1, 2 2's, 4 4's, 6 6's, ... and the sequence would continue 15,19,23,29,...
*Tuesday, September 24, 2013 at 8:40pm*

**Geometry**

not if two are parallel or all 3 are parallel.
*Tuesday, September 24, 2013 at 8:36pm*

**Geometry**

Three coplanar lines always make a triangle? Find a counter example.
*Tuesday, September 24, 2013 at 5:42pm*

**Geometry**

2,3,5,7,11... What is the inductive reasoning?
*Tuesday, September 24, 2013 at 5:25pm*

**Geometry**

3,4.5,6.75,10.125... what is the inductive reasoning?
*Tuesday, September 24, 2013 at 5:25pm*

**Geometry **

2,3,5,7,11.... What is this inductive reasoning?
*Tuesday, September 24, 2013 at 5:22pm*

**Geometry **

2,3,5,7,11.... What is this inductive reasoning?
*Tuesday, September 24, 2013 at 5:17pm*

**Geometry**

3,4.5,6.75,10.125... what is the inductive reasoning?
*Tuesday, September 24, 2013 at 5:16pm*

**geometry**

10 and 2 - 3
*Monday, September 23, 2013 at 11:40pm*

**geometry**

360 deg /24 hrs = 15 deg/hr
*Monday, September 23, 2013 at 8:33pm*

**geometry**

Earth completes one full rotation each day, making the Sun appear to rise and set. If the Sun passes directly overhead, by how many degrees does its position in the sky change every hour?
*Monday, September 23, 2013 at 8:25pm*

**geometry**

For 1 through 10, what is the area and volume of the given shape, if the length of one side of the base is 6, the height is 8, and the slant height is 10? (Not all shapes will require all three numbers.) The shape is a right prism with: 1. an equilateral triangle as the base
*Monday, September 23, 2013 at 4:25pm*

**Geometry**

well, since ABD = BDC, that would make it 4x+13. If you really want a number, just solve for x: 9x = 2(4x+13)
*Monday, September 23, 2013 at 1:03pm*

**Geometry **

Line BD bisects angle ABC. Angle ABC= 9x. Angle ABD= 4x+13. Finds angle DBC
*Monday, September 23, 2013 at 12:47pm*

**geometry**

dsds
*Monday, September 23, 2013 at 12:04pm*

**geometry**

dsds
*Monday, September 23, 2013 at 12:04pm*

**geometry**

dsds
*Monday, September 23, 2013 at 12:04pm*

**Geometry**

Explain why the statements LR = RL and <CBA = <ABC are both true by the Reflexive property of Congruence.
*Sunday, September 22, 2013 at 3:07pm*

**math/geometry**

A football isnt a sphere
*Sunday, September 22, 2013 at 9:39am*

**geometry**

The question defined what complementary angles are, but did not say that a and b are complementary. The question has a solution if a and b are complementary, and will be assumed as follows. if a and b are complementary, then a+b=90 angle a is 21 degrees more than twice angle b...
*Saturday, September 21, 2013 at 8:26pm*

**geometry**

two angles, a and b are complementary if the sum of their measure is 90 degrees. If angle a is 21 degrees more than twice angle b find the measures of angles a and b. I would like to know how to set this equation up in order to find the answer.
*Saturday, September 21, 2013 at 7:52pm*

**Math-Geometry**

I am going out on a limb here and will assume that ABC is a triangle and O is any point inside it, then the 3 angles must add up to 360° so simply solve for x x+3 + 2x+11 + 4x-7 = 360 I got x = 353/7 , was expecting it come out "nicer"
*Saturday, September 21, 2013 at 7:22pm*

**Math-Geometry**

Angle AOB=x+3, Angle AOC=2x+11, Angle BOC=4x-7. Solve for x.
*Saturday, September 21, 2013 at 7:11pm*

**Geometry**

Angle of depression is the angle below the horizontal that an observer must look in order to see an object below him. If you draw the figure, you can actually see that the hot-air balloon is located 25° above the horizontal. We actually formed a triangle here, with height ...
*Friday, September 20, 2013 at 11:57pm*

**Geometry**

Note that we can form a right triangle here, with base equal to 100 ft and angle between hypotenuse and base equal to 48°. Let h = height of triangle, which is also equal to total height of statue minus the 5 ft elevation of the device. Thus, tan 48° = h / 100 h = 100...
*Friday, September 20, 2013 at 11:48pm*

**Geometry**

It's easier if you drew the figure, but it's hard to draw figures here so I'll just describe it. :3 Note that the woman is 15 ft from the statue, and she looks up at an angle of 60° in order to see the top of statue. From here we can actually form a right ...
*Friday, September 20, 2013 at 11:43pm*

**Geometry**

To get the distance, use the distance formula: d = sqrt((x2 - x1)^2 + (y2 - y1)^2) Assuming the point where the home lies is at the origin (0,0), thus the beach lies at (120, -30). Substituting, d = sqrt((120 - 0)^2 + (-30 - 0)^2) d = sqrt(14400 + 900) d = sqrt(15300) d = 123....
*Friday, September 20, 2013 at 10:28pm*

**Geometry**

A surveyor measuring the tallest tree in a park is 100ft from the tree. His angle-measuring device is 5 ft above the ground. The angle of elevation to the top of the tree is 48°. How tall is the tree?
*Friday, September 20, 2013 at 9:55pm*

**Geometry**

A family vacationed at a beach 120 mi east and 30 mi south of their home. Find the distance and the direction from their home to the beach.
*Friday, September 20, 2013 at 9:54pm*

**Geometry**

Twenty minutes after being launched, a hot-air balloon has risen to an altitude of 300 m. The pilot can still see the starting point on the ground at a 25° angle of depression. How many meters is the balloon from the starting point?
*Friday, September 20, 2013 at 9:54pm*

**Geometry**

A 5 foot tall woman stands 15 ft from a statue. She must look up at an angle of 60° to see the top of the statue. How tall is the statue?
*Friday, September 20, 2013 at 9:53pm*

**Geometry**

360/8 = ? why 360?
*Friday, September 20, 2013 at 7:15pm*

**Geometry**

Four lines intersect at point P, forming 8 angles at the point. What is the average angle measure of the 8 angles?
*Friday, September 20, 2013 at 7:15pm*

**Geometry**

Radius of R = r units. Radius of Q = (4/5)*r = 4r/5 units. Ar/Aq = pi*r^2/pi*(4r/5)^2 Ar/Aq = r^2/(4r/5)^2 = r^2/(16r^2/25) Ar/Aq = r^2*25/16r^2 25/16 = 25/16 = 1.5625 = 156.25% Ar = 156.25% - 100% = 56.25% > Aq.
*Friday, September 20, 2013 at 7:10pm*

**Geometry**

xy = s^2-9 = (s-3)(s+3) Looks like the rectangle has short side x=s-3, so s = x+3 p(rect) = 2(s-3)+ 2(s+3) = 4s = p(square) there are lots of solutions 3x9 : 6x6 17x23 : 20x20 ...
*Friday, September 20, 2013 at 7:01pm*

**Geometry**

A rectangle has the same perimeter as a square. If the area of the rectangle is 9 less than the area of the square, the side length of the square is how much longer than the shorter side of the rectangle ?
*Friday, September 20, 2013 at 6:50pm*

**Math (Geometry)**

Let the angle between the 2 given sides by Ø then (1/2)(5)(10)sinØ = 18 sinØ = 18/25 by Pythagoras: cosØ = √301/25 let the third side be x by the Cosine Law x^2 = 5^2 + 10^2 - 2(5)(10)cosØ = 125 - 100(√301/25) = 55.60259... x = ...
*Friday, September 20, 2013 at 6:25pm*

**Geometry**

sum of interior angles of a pentagon = 180(5-2) = 540 one is 48, so the remaining 4 have a sum of 492 average of remaining 4 angles = 492/4 = 123°
*Friday, September 20, 2013 at 6:14pm*

**Geometry**

side of first square ---- x side of 2nd square ----- y (4x + 4y)/2 = 36 x+y = 18 --- y = 18-x (x^2 + y^2)/2 = 90 x^2 + y^2 = 180 x^2 + (18-x)^2 = 180 x^2 + 324 - 36x + x^2 = 180 x^2 - 18x + 72 = 0 (x - 12)(x - 6) = 0 x=12 or x=6 if x=12, then y = 6 if x = 6 , then y = 12 we ...
*Friday, September 20, 2013 at 6:07pm*

**Geometry**

Two squares have an average perimeter of 36 and an average area of 90. What is the side length of the larger square?
*Friday, September 20, 2013 at 4:57pm*

**Geometry**

If one of the interior angles of a pentagon has a measure of 48 degrees, what is the average measure of the pentagon's other interior angles ?
*Friday, September 20, 2013 at 4:42pm*

**Math (Geometry)**

Find the length of the third side of a triangle if the area of the triangle is 18 and two of its sides have lengths of 5 and 10.
*Friday, September 20, 2013 at 4:01pm*

**geometry**

sdfstesw3w64wedy
*Thursday, September 19, 2013 at 8:10pm*

**geometry**

I think we need to see the figure, but looking at the given, I think the point FG bisects and intersects BT at point O. Therefore we can say the lengths of segments BO and OT are equal, or 7x - 6 = 5x + 10 7x - 5x = 10 + 6 2x = 16 x = 8 Susbtituting, BO = 7x - 6 BO = 7(8) - 6 ...
*Thursday, September 19, 2013 at 6:04am*

**geometry**

It appears to me that O is midway between B and T. If so, then 7x-6 = 5x+10 2x = 16 x = 8 So, BO = 5*8+10 = 50
*Thursday, September 19, 2013 at 4:06am*

**geometry**

There appears to be insufficient information. Where is O, with respect to BT and FG?
*Thursday, September 19, 2013 at 3:08am*

**geometry**

Given: FG (SEG) bisects BT (SEG) BO=7x-6 OT=5x+10 Prove: BO=50
*Thursday, September 19, 2013 at 2:22am*

**geometry**

Given: FG (SEG) bisects BT (SEG) BO=7x-6 OT=5x+10 Prove: BO=50
*Thursday, September 19, 2013 at 2:21am*

**Geometry**

The formula for the area of a square is side squared. First, solve for n. Since the sides of a square are all the same length, we set up this equation: 3n = n + 18 n = 9 Therefore, each side has a length of 27. Square 27 for the area.
*Wednesday, September 18, 2013 at 6:36pm*

**Geometry**

y = -3x+6 so, (b)
*Wednesday, September 18, 2013 at 12:32pm*

**Geometry**

Points G and H lie on line k and have coordinates (2,0) and (-1,9), respectively. Which of the following points is also on line k ? a) (3,-9) b) (4,-6) c) (4, -3) d) (5, -3) e) (5, -1)
*Wednesday, September 18, 2013 at 9:37am*

**Geometry**

A square has side lengths of 3n and n + 18. What is the area of the square?
*Tuesday, September 17, 2013 at 8:26pm*

**Geometry**

Arc DE has a length of ð(pie), and the straight line distance between points D and E is equal to the radius of the circle. What is the area of the circle?
*Tuesday, September 17, 2013 at 7:26pm*

**Geometry**

The ratio of the radius of circle Q to the radius of circle R is 4:5. The area of circle R is what percent greater than the area of circle Q?
*Tuesday, September 17, 2013 at 7:21pm*

**Geometry**

Use the given plan to write a two-column proof of the Symmetric Property of Congruence. Given: segment AB ≅ segment EF Prove: segment EF ≅ segment AB Plan: Use the definition of congruent segments to write segment AB ≅ segment EF as a statement of equality. ...
*Tuesday, September 17, 2013 at 7:20pm*

**geometry**

that gives me a definition i deed an explanaiton
*Tuesday, September 17, 2013 at 12:00am*

**geometry**

http://www.google.com/webhp?source=search_app#q=definition+of+angle+bisector+
*Monday, September 16, 2013 at 10:26pm*

**geometry**

what does the definition of angle bisector mean
*Monday, September 16, 2013 at 10:24pm*

**geometry**

m<xyz=3x+9 m<xyw=5x+9
*Monday, September 16, 2013 at 7:59pm*

**Math Geometry**

14
*Monday, September 16, 2013 at 7:45pm*

**Geometry**

let the width be 2x and the length be 3x Area = 6x^2 perimeter = 10 10x/6x^2 = 5/9 30x^2 = 90x divide by 30 and factor x(x-3) = 0 x = 0 or x = 3, x=0 is not admissable (we have to have some sort of a width) the width is 6 and the length is 9 check: area = 54 perimeter = 30 ...
*Monday, September 16, 2013 at 4:51pm*

**Geometry**

A rectangle has side lengths in the ratio 2:3. The ratio of the rectangles's perimeter to its area is 5:9. What is the length of the longer leg of the rectangle?
*Monday, September 16, 2013 at 3:44pm*

**Geometry**

Oops. FI is the diameter, so FI * FG + pi * (FI/2)^2
*Sunday, September 15, 2013 at 12:17pm*

**Geometry**

FI * FG + pi * FI^2
*Sunday, September 15, 2013 at 12:17pm*

**Geometry**

The running track at the right is a rectangle with a half circle on each end. FI and GH are diameters. Find the area insidevthevtrack to the nearest tenth.
*Sunday, September 15, 2013 at 12:16pm*

**geometry**

33.35
*Sunday, September 15, 2013 at 12:14pm*

**Radius Question Geometry(college level)**

I solved it. the length of segment CD with by 20 cm. Thank you
*Saturday, September 14, 2013 at 9:05am*

**Radius Question Geometry(college level)**

There are 3 separate circles, there is a chord drawn through the center of each circle, the point of tangency is on the third circle. So i drew a line perpendicular from the radius of 10 in the third circle to the point of tangency. This is the entire question(Each of the ...
*Saturday, September 14, 2013 at 8:51am*

**Radius Question Geometry(college level)**

I'm not sure if there is a given figure for this problem, but if the three separate circles are tangent with the other with their centers aligned (or can be connected by a straight line), then yes, you get 60 cm for the diameter of the new, bigger circle which ...
*Saturday, September 14, 2013 at 8:40am*

**Radius Question Geometry(college level)**

When you have 3 separate circles and the radius of each of those circles is 10 do i calculate like this? 2(10)+2(10)+2(10)=60 cm for my diameter
*Saturday, September 14, 2013 at 8:21am*

**geometry**

looks true to me. bisecting means dividing into two equal parts.
*Friday, September 13, 2013 at 8:09pm*

**geometry**

if the line ab bisects the segment cd at p then p is the mid point of segment cd
*Friday, September 13, 2013 at 8:07pm*

**geometry**

There are a lot of loose ends in this explanation. You give no explanation of the relative positions of the circles, where A,B,C,D are, or even O. All you say is there are 3 circles (somewhere) and that their "center" is on line OA. (by the way, what is the "...
*Friday, September 13, 2013 at 7:52pm*

**geometry**

Each of the three circles have a radius of 10. The line OA contains the center of the three circles, and the line OB is tangent to the right-hand circle. Find the length of segment CD
*Friday, September 13, 2013 at 7:48pm*

**Geometry?**

The three angles of a triangle must all add up to 180° -- is that what you're working on?
*Thursday, September 12, 2013 at 12:48am*

**Geometry**

I think it's D
*Wednesday, September 11, 2013 at 11:39pm*

**Geometry**

A. √14 miles; √22 miles B. 7 miles; 11 miles C. 4√3 miles; 4√7 miles D. 4√3 miles; √22 miles
*Wednesday, September 11, 2013 at 11:39pm*

**Geometry**

Kristen lives directly east of the park. The football field is directly south of the park. The library sits on the line formed between Kristen’s home and the football field at the exact point where an altitude to the right triangle formed by her home, the park, and the ...
*Wednesday, September 11, 2013 at 11:35pm*

**geometry**

Scale Factor = 8/6 = 4/3.
*Wednesday, September 11, 2013 at 3:54pm*

**geometry**

Your answers are correct.
*Wednesday, September 11, 2013 at 2:47pm*

**geometry**

13 just subtract 16 from 29
*Wednesday, September 11, 2013 at 10:04am*

**geometry**

If BC = 16 and AC = 29, find AB.
*Wednesday, September 11, 2013 at 9:38am*

**geometry**

how do you do this
*Tuesday, September 10, 2013 at 7:17pm*

**geometry**

Day Cans 1-----7 2-----8 3-----10 4-----13 5-----17 6-----22 7-----28 Total-105.
*Tuesday, September 10, 2013 at 7:05pm*

**geometry**

please answer
*Tuesday, September 10, 2013 at 6:35pm*

**geometry**

in the original drawing, the rectangular pieces of paper from which the hands emerge measures 27.6 cm by 19.9 cm. on a poster of the drawing the paper is 82.8 cm long. what is the scale factor of the dilation used to make the poster? is it scale factor:3 what is the area of ...
*Tuesday, September 10, 2013 at 5:17pm*

**geometry**

m(0,3) n(6,0) p(0,-3) scale factor=-1/3 how do you do this i have to draw the image of the figure with given vertices under the dilation with the given scale factor centered at the origin
*Tuesday, September 10, 2013 at 5:17pm*

**geometry**

an optometrist dilates a patients pupil from 6 mm to 8 mm. what is the scale factor for this dilation? is it 2 Answer th
*Tuesday, September 10, 2013 at 5:16pm*

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