An architect designed an apartment building that was to be 196 ft. High. He made a model of the building using a scale of ½ inch = 1 foot. How high was the model?

loloo

step-by-step explanation:

lololool

the answer is b.

64

step-by-step explanation:

c=2πr=2·π·8≈64

substitute,

circle 1 = 5

circle 2 = 20

circle 3 = 44

in this case no matter how you add, you will always get a perfect square..

hence proved

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the circumference of a circle is, 10.676 cm.

step-by-step explanation:

the formula for circumference of a circle is given by:

where

c is the circumference of a circle and

d is the diameter of a circle.

given: diameter(d) = 3.4 cm and use

substitute these values in [1] we get;

cm

therefore, the circumference of a circle is, 10.676 cm