Write a two column proof for geometry angle proofs

Given: BF−→− bisects ∠ABC, m∠ABD=m∠CBE

Prove: m∠DBF=m∠EBF

please help me

7! = 7×6×5×4×3×2

3! = 3× 2

as 7! is multiple of 3! because 7! contains 3! that is 3× 2 as factor

so 7! /(3! ) = 7× 6× 5× 4

= 42 × 20

= 840

its b) 840✌✌✌

dhruv⭐

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

one set of data has more variation than the other. hope this !

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step-by-step explanation: