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Please help!

 Apr 27, 2020
 #1
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angle(PAB) is a right angle because it is formed by a diameter and a tangent

angle(ACB) is a right angle because it intercepts a semicircle.

angle(PCA) is a right anlge because it forms a straight line with angle(ACB).

Therefore, angle(PAB) is congruent to angle(PCA).

 

angle(P) is congruent to angle(P) by identity.

 

Therefore, the two triangles are similar by AA.

 Apr 27, 2020

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