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Reduce
the
following
9:81
55:5

if it's 55:5 - 9:81

55:5 - 9:81 = 4410:405

Step-by-step explanation:

Equivalent Whole Number:

10.8889

Equivalent Ratio:

4410:405 = 98:9

How was this Ratio Calculated?

55:5 - 9:81

[convert the ratio to a fraction] =

55/5 - 9/81 =

(55 × 81) + (9 × 5) 5 × 81 = 4455 - 45 /405

= 4455 - 45/405

[convert the fraction to a ratio] = 4410:405

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