SAT Math Practice Question #23112 - SATify | SATify

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SAT Math Practice Question #23112 - SATify | SATify

#23112

geometry

circles

hard

120 sec

Quadrilateral $A BC D$ is inscribed in a circle. Given $∠ A D B = 5 5^{\circ}$ , $∠ D C A = 5 5^{\circ}$ , and $A D = 9$ . What is $A B$ ?

A.

$7$

B.

$8$

C.

$9$

D.

$10$

E.

$11$