# math

OB is the bisector of and . EO = 2x – 20 and OC = 70 – x. Solve for x.

1. 👍 0
2. 👎 0
3. 👁 47
1. If O is a point on EC then
2x-20 = 70-x

1. 👍 0
2. 👎 0

## Similar Questions

1. ### math

Let (AB) and (CD) be 2 parallel lines by a transversal at E and F respectively.The bisector of AEF and BEF cut (CD) at M and N respectively.The bisector of CFE cuts [ME] at S, and the bisector of DFE cuts [Ne] at T.Show that: ETFS

asked by math on December 14, 2009
2. ### math

Let AB and CD be two lines intersecting at point O. Let OP be the bisector of ]AOC, OT the bisector of ]POB, and OR the bisector of ]TOD. If ]POR = 25, find ]AOC and ]AOD.

asked by Suzy on November 28, 2010
3. ### Geometry

Find the indicated values. Please correct me if I'm wrong! 1. B is between A and C. AB=2x+1, BC=3x-4, and AC=62. Find the value of 'x' and determine if B is a bisector. X=13 Is it a bisector? Yes 2. M is between L and N. LM=7x-1,

asked by Anonymous on September 6, 2014
4. ### Geometry

How would you write the name of a segment differently than the name of a line? what symbols would you use? How is constructing a perpendicular bisector similar to constructing an angle bisector? how is it different? Describe a

asked by Ashley on December 3, 2015
5. ### Geomertry

In cetrain triangles can a median be a perpendicular bisector, altitude and an angle bisector?

asked by Honeymoney on December 3, 2015
1. ### Math

1.The midpoint of SM is (5 -11) one endpoint is S (3,5). What are the coordinates of endpoint M? 2.Describe a process you would use to create the perpendicular bisector to a segment AB using only an unmarked straightedge and an

asked by Ashley on December 4, 2015
2. ### math

the end points of a line segment are A (-7, -1) and B (5,5) determine the equation of right bisector of AB show that the origin 0,0 lies on the right bisector of AB

asked by cam on August 18, 2012
3. ### Algebra Help

Write the equation of a perpendicular bisector of the segment joining the points: (7,2) and (3,0). Okay, so I don't even know what a bisector is. Is there a formula for this or something? If some could someone tell me it. Or tell

asked by Kendra on August 26, 2010
4. ### Math

Let AB and CD be two lines intersecting at point O. Let OP be the bisector of angle AOC, OT the bisector of angle POB, and OR the bisector of angle TOD. If angle POR = 25 degrees, find angle AOC and angle AOD.

asked by Freaky on November 28, 2010
5. ### Math

Let AB and CD be two lines intersecting at point O. Let OP be the bisector of angle AOC, OT the bisector of angle POB, and OR the bisector of angle TOD. If angle POR = 25 degrees, find angle AOC and angle AOD.

asked by Suzy on November 28, 2010
6. ### geometry

When is the perpendicular bisector of a side of a regular n-gon also an angle bisector?

asked by Bre on December 8, 2011

More Similar Questions