The model is 40cm and the actual length is 80.6 m. using the same ratio, if a new model is 7 cm long, how long would the actual length be?

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1,589.63 in.^3

step-by-step explanation:

i hope this you : d

i think it would be 42cm

step-by-step explanation :

we know that

the measurement of the outer angle is the semi-difference of the arcs which comprises

in this problem

m< xzy is the outer angle

substitute the values

the measure of angle xoy is equal to

> by central angle

substitute the value