Consider the triangle B Angle A= Angle B = 30° Angle C = 90° 30° AB = 10 10 AC = 5 BCE > A C 5​

They are equal to the ones we calculated manually: β = 51.06°, γ = 98.94°; additionally, the tool determined the last side length

2+2=4

4-5=-1

is that your

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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