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CAN SOMEONE CHECK MY GEOMETRY WORK? 25 POINTS.

Picture attached. If so please tell me what I did wrong thx

CAN SOMEONE CHECK MY GEOMETRY WORK? 25 POINTS. Picture attached. If so please tell-example-1
User Cao
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Step 3 is unnecessary (the statement is already given, plus you haven't proven the triangle is isosceles anyway).

After, omit step 5 and jump straight to 6.

After this, step 6 is the statement that used to be step 5, which is true by CPCTC.

Then, you can prove the required statement by definition from this.

User Yoshitaka
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