Answer:
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Step-by-step explanation:
The central angles are formed at point O, which is the center of the circle.
All the central angles are marked in the attachment.
The central angles are
: . This is a right angle and it is 180 degrees.
:
The equation is true/ or an identity
Plug in 7 for x, you get
2(7)+3=17
14+3=17
17=17
5 6
x 4 6
_2576_____
_ _ _ 56 x _6__
+ _ _ _ _ 56 x _4__
__2576_____
_ _ _ _
38.88
72% of 54
= × 54
= 0.72 × 54
= 38.88
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