# Circle Theorems Worksheet - DOC by parpar

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```									Circle Theorems Worksheet.
1.                                                      2.                                                                   3.                   B

A
B                                          560

2200                                                                 0
B                                                     1160
0
x                                                                                                                                     x
A                             C
640                                                320

C                                                                                          C
A
Calculate the size of angle x                           Write down the size of angle ABC
Find angle x

4.                                                      5.                                     S                             6.
B                                                                                                           D

0                                                                                          T                                                  380
E                                       C
0                                                            0
A                         0
C                   140                   A

p         340                                                                         0
300
T            30
R                            B
D                                                                    Q

Calculate angle CBA                                     Calculate the size of angle TQR                                      Find the size of angles ABT, OAB,
Calculate angle CDA                                                                                                          AED ABD, BCD

7.                                                      8.                                                                   9.
B                                                 r
C
530                                                                                         x
x                         y       C         p
0                                                                        o                   q                                                    0
A       y       600
760                                                                                                         f

A
B
Calculate the angle ROQ
Calculate the size of x                                                                                                      Find the angles of x and y
Calculate the size of y
10.                                                     11.                                                                  12.
B                                                                                                                                                                       A
C                     B
260
800

E
y                                                                 0              650         C
x                                                                                                                                             0
A                                                   D                                                                             B
0
280
D
A
C

Calculate angles BOC
Find the angles x and y                                 Calculate the angle ACD and ABD                                      Calculate angle OBC

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