ACT Math Practice Question #1446 (Medium (30)) | Test Citadel
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ACT Math Difficulty: Medium (30)

Digital ACT Math Practice Question #1446

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In a circle centered at O, segment AB is a diameter. Point C lies on the circle such that angle CAB measures 35°. What is the measure of angle ABC?
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Inscribed on diameter = 90°. 90° - 35° = 55°.

Masterclass Solution & Distractor Trap Analysis

An inscribed angle that subtends a diameter is a right angle: measure of angle ACB = 90°. In right triangle ABC, angle ABC = 90° - 35° = 55°....

Distractor Analysis: Trap choice eliminates careless test-takers who confuse roots with coordinates...

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