Question

ABCD is a quadrilateral, AC is a diagonal and triangle ACD and triangle ACB are congruent. < ACB = 25, < B = 125 , then find <CAD.​

Answer 1

Answer:

angle A+angle B+angle C=180°

angle A+125°+25°=180

angle A +150°=180

angle A=180°-150°

angle cad=30°

Answer 2

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» We know that sum of all angles of a triangle is 180°

★<CAD + <ACB + <ABD = 180°

<CAD + 25° + 125° = 180°

<CAD + 150° = 180°

<CAD = 180° – 150°

<CAD = 30°

°.° So, the measure of angle CAD is 30°.