Check all of the temperatures that are within one standard deviation of the mean. 72°

74°

79°

84°
A bar graph titled Average Daily Temperature has average temperature on the x-axis from 67 to 87, and number of years on the y-axis, from 0 - 9.

34.5 cm

step-by-step explanation:

generally for a circular segment of angle, θ° and radius r

arc length

= (θ/360) x circumference

= (θ/360) x 2πr

in our case, θ = 60°, π=3.142 and r = 33 cm

substitute into above formula

arc length

= (60/360) x 2(3.142)( 33) = 34.5 cm

b is the correct answer

the answer is d

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