In the construction of a certain road, a viaduct must be planned over a rail road track. The viaduct will be 31.5 feet higher than the road level. The rise in the roads is to be uniform and is to start at a distance of 618 feet from the base of the viaduct. To the nearest degree, what will be the angle of the rise of the road?

step-by-step explanation:

the transitive property of equality.

step-by-step explanation:

the correct answer is:

the transitive property of equality.

explanation:

we know that  ∠bcd is congruent to  ∠pbc. we also know that  ∠pbc is congruent to  ∠bad.

we can substitute  ∠bad for  ∠pbc in the first angle congruence statement to give us:

∠bcd is congruent to  ∠bad.

algebraically, the transitive property states if a=b and b=c, then a=c. it basically allows us to substitute equal values. since that is what we did, this is the transitive property.

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