Question

!50 POINTS! (3 SIMPLE GEOMETRY QUESTIONS)

QUESTIONS BELOW
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Answer 1

Hi,

Explanation:

Q1: ∠AOC is right : mes arc AC =90° Answer C

Q2: using the powerpoint circle,

AB²=BC*BD

x²=4*(4+5)

x=6

Answer C

Q3:

if O is the center of the circle ,

mes ∠ ABC= 1/2 mes ∠AOC=1/2 *60° = 30° answer C