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Pythagorean Theorem & Basics of Triangles

0. Review of College Algebra / Pythagorean Theorem & Basics of Triangles / 문제 1

문제 1

What is the sum of the angles ∠X, ∠Y, and ∠Z in a triangle XYZ?

A

200°

B

360°

C

90°

D

180°