Jack began constructing δdef to be congruent to δabc by copying side ac to form df. could jack use asa to complete the construction? if so, which two angles should he copy?

yes, he should copy ∠a and ∠b.
yes, he should copy ∠b and ∠c.
yes, he should copy ∠a and ∠c.
no, after constructing df, jack must copy another side from δabc.

c. yes, he should copy ∠A and ∠C.

Step-by-step explanation:

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C). Yes, he should copy ∠A and ∠C.

Step-by-step explanation:

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the answer would be 1 1/72

step-by-step explanation:

you can rewrite the equation by separating the parts and then solving individually:

10-9=1

1/8 - 1/9=

find l c d and then combine:

1 1/72