geometry
posted by adeny .
Two chords that intersect within a circle form an angle whose measure is 55°. If this angle’s arc is 100°, what is the measure of the arc of its vertical angle?
Respond to this Question
Similar Questions

geometry
In circle P, arc EN=66, angle GPM=89, and GN is the diameter. Find the measure of angle EGN. The answer is 33º but I'm not sure how you get it. There is a theorm that says the inscribed angle of a circle arc is 1/2 the arc (or one … 
math
Whats the difference between an arc [of a circle]'s length and measure? 
Geometry
The question is to find the measure of arc PQ in Circle A. The point A is the center of the circle, and the chords PR and SQ intersect at the center. Arc PQ is (3y10), while arc SR is (2y+20). I know there's a theorem that states … 
Geometry
how to you solve: the radius of circle Z is 13.5 units long. Find the length of each arc for the given angle measure. if the angle measure is 120 degrees? 
geometry
Point C is the center of the circle. The measure of angle ACB is 15x + 20. Arc AB measures 20x – 10. Find the measure of arc AB. 
geometry
Two lines intersect to form two pairs of vertical angles.Angle 1 with measure (20x + 7) degrees and angle 3 with measure (5x + 7y + 49) degrees are vertical angles. Angle 2 with measure (3x  2y + 30) degrees and angle 4 are vertical … 
Geometry
Triangle RSU has two of its points(R and S) on the sides of a circle. Line SU forms a secant ray that passes through the diameter of the circle. Angle S is 30 degrees, the measure of arc RS is 84 degrees, and RU is tangent to the circle … 
mathscircles
a circle with centre O, secants AB and EF intersect each other at point C in the exterior of the circle . prove that measure of angle ACE=(1/2)*{measure of arcAE)measure of arc BF} 
Geometry
Two lines intersect so that angle 1 and angle 3 are vertical angles, angle 2 and angle 4 are vertical angles, and angle 1 and angle 2 form a linear pair. how do you slove for x and find the measure of all the angles when angle 2= x … 
geometry
an inscribed angle with a diameter as a side has a measure of x degrees. if the ratio of measure of arc AD to measure of arc DB is 1:4, what is the measure of arc DB?