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If 2 pounds of strawberries cost $4.50, how much would 3 pounds cost?
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The diameter of the circle is 8 cm, so the radius of the circle is R=4cm.
The Circumference of the circle is 2πR=8π cm
Let the measure of the central angle be x.
the arc that angle x intercepts is 8/8π=1/π of the circumference. (approximately 1/3.14 or 1 third, so x will be 1 third of 360°=2π rad)
this is the ratio that x forms to the full angle 2π rad
x= 2 rad.
Answer: 2 rad
The Circumference of the circle is 2πR=8π cm
Let the measure of the central angle be x.
the arc that angle x intercepts is 8/8π=1/π of the circumference. (approximately 1/3.14 or 1 third, so x will be 1 third of 360°=2π rad)
this is the ratio that x forms to the full angle 2π rad
x= 2 rad.
Answer: 2 rad