Question

the circle with center at c has radius r units. angle measures 15 degree and angle ADC measures 55 degrees. find angle aoc?

Answer 1

illustration?

Answer 2

15 is angle BCD?

Answer 3

15 is abc

Answer 4

Ohh.. try to tag other people.. i'm still thinking about this\[\ddot\smile\]

Answer 5

@Jhannybean can you help?

Answer 6

HINT: Note that CB=CA therefore triangle ABC is isosceles. Also CD=CA therefore triangle ACD is also isosceles

Answer 7

@FibonacciChick666

Answer 8

@megz08 - make use of the hints I gave and see how far you can get - it should lead to the anser

Answer 9

isosceles triangle has conngruent angles and sides right?

Answer 10

I'll go over with that, I still have 14 problems more to solve. haha

Answer 11

You need to be familiar with these concepts in order to solve this.

This site may help: http://www.mathsisfun.com/triangle.html

Let me know if you still need help after you have familiarised yourself with this.

Answer 12

thank you:)

Answer 13

yw :)

Answer 14

I got 95 degrees. is this correct?
@asnaseer

Answer 15

perfect! well done! :)

Answer 16

thanks for the hint!! :)

Answer 17

yw :)