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TRANSCRIPT

O

O

A

O

P

Q

A

O

R

S

...

.

.

.

.J

A

P

S

K

T

B

....

.P

Q

R

A

C

.B

.Y

A

.X

B

AB =

.YA

.X B

.YA

.X B

A

P Q

B

Therefore, m∟APB = m∟AQB

P

A B

QO

Therefore, m∟PBQ = 90 0 m∟PAQ = 90 0

S

P

Q

RO