Question

WILL GIVE MEDAL. PLEASE HELP.
What is the measure of AB?
Find the measure of the arc.

(Picture below.)

Answer 1

So the answer would be 115?

Answer 2

In a circle the central angle is of 360 degree...and the length of the circumference is \[2\pi r\] and if the angle is 115 degree then the lenght will be \[2\pi r \div 360\times115\]

Answer 3

@KingAditya plz explain it one by one!!!!

Answer 4

i am doing the same.. @mayankdevnani

Answer 5

yaaa... i know....okk for your convenience .. suppose i need to solve this prob.. but i can't do it!!! plzzz explain me!!!! can you???

Answer 6

can you.. @KingAditya

Answer 7

yup

Answer 8

plzz....

Answer 9

i am waiting!!!!! :)

Answer 10

U know the angle around the centre in the circle?

Answer 11

yaaa 360 right

Answer 12

And 360 degree covers the whole circumference.. then whats the value of the circumference of the circle?

Answer 13

i don't know????

Answer 14

formula of the circumference of the circle?

Answer 15

If the radius is 'r'

Answer 16

\[2\pi r\]

Answer 17

rite

Answer 18

now if i want the arc around 1 dgree...then what will be the value?

Answer 19

R u thr? @mayankdevnani

Answer 20

yaa

Answer 21

Wait... So the answer is 115?

Answer 22

Or do I have to do 2πr÷360×115

Answer 23

yaaa @marcoduuuh the correct answer is 115

Answer 24

any confusion????

Answer 25

Thanks! @mayankdevnani

Answer 26

welcome!!!!