in circle e, and are diameters. angle bca measures 53°. what is the measure of arc ad? This is a topic that many people are looking for. amritsang.org is a channel providing useful information about learning, life, digital marketing and online courses …. it will help you have an overview and solid multi-faceted knowledge . Today, amritsang.org would like to introduce to you How to Find the Arc Measure of a Circle. Following along are instructions in the video below:
Terry van noy welcome to math class with terry v hope this video helps you you out and if you enjoy it please share. It comment or like it and can also go to my website math power line com. Its a math resource blog.
Lesson videos for students and other resources for parents and teachers give me a call or go to my website or email. All right lets go to todays lesson now were going to take a look at the arcs of a circle. An arc of a circle is the curved part on the outside and it totally relates to the central angle that causes it so lets look at these examples right here.
Weve got number. One the measure of arc x. Q.
Now. Since x. And q.
Are two letters that is a minor arc. Because it goes less than halfway around the circle and obviously im looking at this arc. Here the curved part between x and q.
So the key. There is to notice that this angle in here is whats left from 180. Because x s.
Is a diameter. So 180 minus 40. Would give you your answer 140 degrees.
So arcs are always measured in degrees. When youre talking about the measure of the arc on number two the measure of arc v sx vs x lets look at that one v s x all right the important thing to remember here is that this is a 40 degree angle. We have vertical angles inside so it is going to be 360 degrees all the way around the circle.
Take away the 40 thats left so 320 degrees for that major arc. Next. Question.
What is the measure of arc. Q. Xv.
Q. Xv. Q.
X. V. Now.
I notice that xv excuse. Me. The vq segment is obviously a diameter so easy question there 180 degrees notice that you have a semicircle arc.
If its exactly half the circle. Its a semicircle and its still considered in major arc. Number.
4. The measure of arc tsv tsv would be here again three letters to denote a major arc. So if this angle in here is 40.
Then this would have to be 50 notice how its the other part of the right angle. So we have 360 take away the 50 degrees. And that will give us 310 that major arc tsv is 310 degrees.
All right there you have it i invite you to go to my website now mouth power line comm or email. Me or give me a call the way i work best with students is live online in my classroom. So if i can help you in any way answer.
Some specific questions. The first lesson with me is free as i show you how everything works all right study hard and take care. .
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