asked 89.6k views
5 votes
Circle .. shown, has diameter DE. The following angle measures are known: m/EIF = 30 m FDB 30m_FDB = 20%, and mZCDE = 40%.

1 Answer

2 votes

Question 1

The measure of arc CD = 180 - 40 - 40 = 100

arc CD = 100

Question 2

[tex]mBecause the angle at the center is twice that subtended at the circumference

mm

Question 3

m

Question 4

m

Question 5

m

answered
User Tamiz
by
8.3k points
Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.