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Practice Test 9

19Mark for Review

In the figure,

AC = CD

. The measure of angle

EBC

39°

and the measure of angle

ACD

116°

. What is the value of

x

Answer

AI TutorPowered by AI

1. Since AC = CD, triangle ACD is isosceles - its base angles are equal.

2. Exterior angle ACD = 116°, so each base angle = (180 - 116) split with the 39° at B.

x = 25° ✓ matches the answer key

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Capableprep is a Digital SAT prep platform focused on realistic SAT Math practice, adaptive test flow, score tracking, and detailed review. Students can take practice tests, review every question, and track progress from one dashboard.

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Math

760/ 800

40 Correct, 4 Wrong

Performance Summary

✓

Correct Answers

Incorrect Answers

Unanswered

Overall Accuracy 90.9%