The Alternate Interior Angle theorem states that when the lines are parallel, the alternate interior angles are equal. Since lines AB and CD are parallel, m∠ACD and m∠BAC are equal. So, the equation would be

or

.
{2×[20×5]+68} could be your answer because 20×5 is 100 and 2×100 is 200. 200+68 is 268
Answer:
Step-by-step explanation:
just add them all together . and the 2 beside the cm just multiply the answer by two .
Answer:

Step-by-step explanation:

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