Question

Given AB‾∥DC‾AB ∥ DC , complete the flowchart proof below. Note that the last statement and reason have both been filled in for you.

Answer 1

Given that

$AB\parallel DC$

SOLUTION

Therefore, for the first box, we will have

Statement

$AB\parallel DC$

Reason

Given

For the second box,

Statement

$\angle A\cong\angle C$

Reason

Alternate angles

Hence, those are the two boxes need to complete the proving with the last statement and reason already done for us.