Question

Given a circle in which a diameter AB equals 4 cm. If the two points C and D lie on the circle and angle ABC = 18 degrees and angle BAD = 36 degrees, find the length of the major arc CD

Answer 1

http://openstudy.com/study#/updates/543de42fe4b0b3c6e146b5e8
Welcome to OS :)

Answer 2

So first, can you draw the picture using the "draw" button, so we have an accurate representation?

Answer 3

@franz2znarf, are you able to find that?

Answer 4

no

Answer 5

sorry for late reply... i get connection lost earlier

Answer 6

it's cool,

Answer 7

brb if I'm not in 2 min tag me

Answer 8

@FibonacciChick666

Answer 9

ok thanks so, can you label the pic?

Answer 10

cool, so, now can you label the major arcs?

Answer 11

arc cd

Answer 12

what formula should i use?

Answer 13

@FibonacciChick666 is this right

Answer 14

http://www.mathopenref.com/arcminormajor.html

Answer 15

check that out

Answer 16

better

Answer 17

ok so now, we need to know the angle which subtends this arc

Answer 18

Can you find the measure of angle E?