In the diagram below, ois circumscribed about quadrilateral abcd. what is
the value of x?
ο
α. 100
ο
β. 15
75
0
ο
c. 57
ο
d. 21
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Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.

Does the point (1, sqrt 7) lie on circle shown.

Can you divide 25 into 4 equal groups? explain why or why not.