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If arc BC is 42 and DE is 22 what is the measure of angle 5?

To find the measure of angle 5, we can use the relationship between the arcs and the angles they subtend. If angle 5 subtends arc BC, then the measure of angle 5 is half the measure of arc BC. Therefore, angle 5 would measure ( \frac{42}{2} = 21 ) degrees. If angle 5 relates to arc DE, further information is needed to determine its measure.


Segment DC is a diameter of circle A in the figure below. If angle DAB measures 34 degrees what is the measure of arc BC?

In a circle, the measure of an angle formed by a chord and a tangent at a point on the circle is half the measure of the intercepted arc. Since segment DC is a diameter, angle DAB is an inscribed angle that intercepts arc DB. Therefore, the measure of arc DB is twice the measure of angle DAB, which is 68 degrees. Since arc BC is the remainder of the circle, arc BC measures 360 degrees - 68 degrees = 292 degrees.


In circle P BC equals 24 what is the length of arc ABC?

The length of the arc of ABC is 22pi. You can get this answer by completing this equation 330/360*24pi, which will give you 22pi.


How do you find the length of arc BC when the central angle of ab is 120 and the radius is 10?

This is your lucky day ! Watch now, as the Great and Powerful WA Contributorsolves your problem and answers your question without ever seeing the drawingthat's supposed to go along with it, and with no idea what 'BC' and 'ab' are . . .-- A whole circle has a central angle of 360 degrees.-- A whole circle with a radius of 10 has a circumference of [ (2 pi) x (radius) ] = 20 pi .-- A slice of cake with a central angle of 120 degrees is 1/3 of a circle.-- The arc at the fat end of the slice is 1/3 of the full circle's circumference = 20 pi/3 = 20.944 (rounded)-- Just in case 'BC' is the long arc, then its length is the other 2/3 of the whole circle= 2 x 20 pi/3 = 41.888 (rounded)Pay no attention to that old man behind the curtain.


Do intersecting lines form four pairs of supplementary angles?

Yes. If two intersecting lines form the angles A, B, C and D (in rotational order) then AB, BC, CD and DA are pairs of supplementary angles.