What is the value of x to the nearest tenth?
A) 9.2
B) 7.2
C) 4.8
D) 12.0
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Answer:
B. 7.2
Step-by-step explanation:
radius=24÷2= 12
other line =19.2÷2=9.6 because line from centre bisects chord and is perpendicular to it
Therefore: X²=√ 12²-9.6² ( theorem of Pythagoras)
X=7.2