Questions on Geometry: Points, lines, angles, perimeter answered by real tutors!

Tutors Answer Your Questions about Points-lines-and-rays (FREE)

Question 625873: Hello, please help me find the point of intersection of the lines −5x + y − 3 = 0 and −x + 2y + 12 = 0 .
Thank you!
Click here to see answer by Alan3354(31518)

Question 627437: hi! i tried solving this using a calculator but it was a no go. can someone help me?: A 90 cm pipe was cut into two pieces so that one piece is 6 cm shorter than the other. Find the length of each piece.
if someone could show me how its done, that'd be great ^.^
Click here to see answer by jim_thompson5910(28715)

Question 628163: The perimeter of a rectangle is 28 cm. if the length of a diagonal is 10 cm, find the length and width of the rectangle.
Click here to see answer by lwsshak3(6761)

Question 631707: Good day! can you please help me with this:
Two lines bisect consecutive angles of a regular heptagon and intersect in the heptagon's interior. Find the measure of the angles formed by the intersecting lines.
Thank you!
Click here to see answer by Alan3354(31518)

Question 631845: what is the slope of a line at (-3,0) and(4,3) ?
Click here to see answer by jim_thompson5910(28715)

Question 631858: slope of a line perpendicular to (2,4) (-1,0) is?
Click here to see answer by solver91311(17077)

Question 631855: the slope of a line runnimg parallel to (2,4) (-1,0) is what?
Click here to see answer by rfer(12730)

Question 632430: (-2,-1)and (-4,-3)
Click here to see answer by Alan3354(31518)

Question 632683: Good day! please help me with this one:
Points P, Q, R and S are arranged in that order on a line so that PQ=3 and QR=2RS, what is the ratio of QS to PS?
Click here to see answer by stanbon(57967)

Question 632684: Can you please help me with this problem?
Draw a diagram in which F is between A and E, F is also between R and S but A,E, R and S are noncollinear.
Click here to see answer by KMST(1936)

Question 633169: The angle of elevation from a point on the ground to the top of a building is 37 degrees. The point is 75 feet away from the building. which of the following is closest to the height, in feet, of the building?
(Note: Sin 37= 0.602, cos 37=0.799, and tan 37=0.754)
A. 45
B. 57
C. 60
D. 94
E. 125
Click here to see answer by ewatrrr(10682)

Question 633737: Find the points of intersection of the graphs of x^2+y^2=49 and y=2x-2
Thanks!
Click here to see answer by ewatrrr(10682)

Question 633738: Find the points of intersection of the graphs of x^2+y^2=25 and y=3x-3
Thanks!
Click here to see answer by ewatrrr(10682)

Question 634400: what is the radius of a circle given by the equation (x+1)2+(y-2)2=64
Click here to see answer by sachi(463)

Question 634417: OA perpendicular to OC
If a:b=4:5, find a and b
Click here to see answer by Alan3354(31518)

Question 634594: The figure MNOP is a square. If PQ = 10 cm, then what is the area of MNOP?
Which answer is it?
a. 20 square centimeters

b. 100 square centimeters

c. 200 square centimeters

d. 400 square centimeters

Click here to see answer by richwmiller(9144)

Question 636574: 6. Find the equation of the line passing through (-1, 2) and perpendicular to y = 3x
Click here to see answer by MathLover1(6812)

Question 636910: 9. Find the x-intercept and the y-intercept for the equation y = -¾x + 3
Click here to see answer by stanbon(57967)

Question 638358: Graph the line with the given point and slope.
The line through (-1,2)with slope 2/3
Click here to see answer by MathLover1(6812)

Question 638516: hoe do i find the distance between each pair of points of
(4,-7),(-4,7)
Click here to see answer by Alan3354(31518)

Question 638566: point k is the midpoint of JL, and KL=4.Find JK
Click here to see answer by fcabanski(889)

Question 640074: what is a set of all points
Click here to see answer by MathLover1(6812)

Question 640504: Find the points of intersection between Y= 2x^2 + 3x + 4 and Y= x^2 + 6x + 2
Click here to see answer by lwsshak3(6761)

Question 640742: What is the slope of the line, 7x-5y=15?
Thanks
Click here to see answer by lynnlo(4169)

Question 640990: The sides of a triangle are in the ratio of 4:5:6. Find the size of the largest angle in the triangle.
Click here to see answer by Edwin McCravy(8999)

Question 641462: 5x-27 and2x-6 find the lenght of the pentogon i do not understand what they are asking

Click here to see answer by Alan3354(31518)

Question 641779: Find the equation of the line passing through (3,5) that makes an angle of 45(degrees) with the positive x-axis?
Click here to see answer by KMST(1936)

Question 641988: If the edge of a 2cm square was double, how would the angle measures be affected?
Click here to see answer by showe9(33)

Question 642636: An endpoint of a segment has coordinates 0,0. The midpoint has coordinates a,b Find the coordinates of the other endpoint.
Click here to see answer by stanbon(57967)

Question 643347: 5x + 2y = 7 How do you solve for x and y?
Click here to see answer by radh(108)

Question 647346: Write an equation of the line that contains (7, -2) and is parallel to 2x-5y=8. Please explain how you came to the answer. Thank you.
I know that you need to find the slope and then plug in (7, -2), but I don't know how 2x-5y=8 fits into the equation.
Click here to see answer by htmentor(807)

Question 648070: what is the perimeter of a square at 17 feet?
Click here to see answer by Alan3354(31518)

Question 648364: How would you sketch three lines that intersect in a point but do not all lie on the same plane?
Click here to see answer by Alan3354(31518)

Question 649403: r,s,t are collinear with coordinates r,s, and t respectively.which of r,s, and t is between the other two if /r-s/+/t-r/=/t-s/
Click here to see answer by Edwin McCravy(8999)

Question 649632: If two rectangles have the same area, what do you know about the measures of their sides? Explain.
I know this must seem very obvious but I can't seem to figure it out. Thanks so much for your help.
Click here to see answer by solver91311(17077)

Question 649686: [1.05] Find the midpoint between the points (-2,0) and (5,3)
Click here to see answer by swincher4391(726)

Question 652521: If m∠P = 2x + 3 and m∠Q = 3x – 8, what is the measure of ∠P?
Click here to see answer by Edwin McCravy(8999)

Question 652785: Find the coordinates of the other endpoint of a segment with the given endpoint and midpoint M.
7. C(3, 0) 8. D(5, 2) M(3, 4) M(7, 6)
9. E(o4, 2) M(o3, o2)
Click here to see answer by solver91311(17077)

Question 652998: A farmer fenced all but one side of a square field. If he has already used 3x meters of fence, how many meters will he need for the last side?
Click here to see answer by solver91311(17077)

Question 653967: what would X be if the equation is 110+3x+11=16x+4 ? i dont understand what to do first
Click here to see answer by jim_thompson5910(28715)

Question 655203: Find a formula that expresses the fact that P(x, y) is a distance 3 from the origin.

Describe the set of all such points.
This is a circle of radius , with a center at
(x, y) =
Click here to see answer by jim_thompson5910(28715)

Question 655334: A side of a square is 10 meters longer than the side of an equilateral triangle. If the perimeter of the triangle is 9 meters, find the perimeter of the square.
Click here to see answer by ewatrrr(10682)

Question 658497: x^2-4x=21
solve for x
Click here to see answer by checkley79(3056)

Question 658497: x^2-4x=21
solve for x
Click here to see answer by nerdybill(7003)

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