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Circle arcs & chords
Contributed by: Walker
(Original author: Dilaura)
Given central arc BC ≊ arc DE, find the measure     of the central angles below
4x + 7
5x - 5
m∡BAC = 
m∡CAE =
o
o
Chords DE and BC are congruent.  Find the measure     of arc DE.
25y
30y - 20
arc DE = 
o
Find all the missing angles     and arcs using the information given.
90o
m∡EAB =
arc FEB =
arc BF =
m∡BAF
o
o
o
o
Find all the missing angles and     arcs.
133o
arc DEF =
m∡DAF =
m∡BAE =
arc BF =
o
o
o
o
Given that EG ≅ DG which of the following     statements is true?
G
AG ≅ ED
 AB perpendicular      to ED
AB ≅ ED
arc ED = 90o
Given that EG ≅ DG find the length of chord ED
    if the radius of the circle = 5 and GB = 1
G
1
5
ED = 
Given that chord ED = 12 and AG = 7, find the 
    radius of the circle and GB to the nearest tenth.
G
radius= 
GB = 
Given that BG = 9 and GA = 5 find the following
    measures.
9
5
radius= 
ED = 
round to the 
nearest tenth.
Given that BG = 4 and GA = 2 find the following
      measures.
4
2
radius= 
ED = 
round to the 
nearest tenth.
Tell which statement is true.
m (arc) BC = ½ ∡BAC
m (arc) BC = m∡BAC
m (arc) BDC = 180o
m (arc) BDC = 90o
11.2.1
12. The circle graph describes how a typical college student spends their monthly allowance.  Find the measure of arc AB and arc CE.
A
G
B
E
D
arc AB = 
C
arc BC = 
o
o
13. Given central ∡BAC = 63o and arc BC ≅ arc DE,        find the measure of the arcs listed below.
63o
arc DCE =
arc DE = 
arc DB =
o
o
o
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