2 years ago

. If CD = 4 and the perimeter of △ABC is 23, what is the perimeter of △ABE?

1 answer:

6 0

Answer:

Step-by-step explanation:

ABC has a perimeter of 23, so

AB + BC + AC = 23

The perimeter of ABE would be the sum of these sides:

AB + BC + CD + DE + AE

We also know:

AE = AC, CD=4 and DE=4 because ACD is congruent to AED

So, AB + BC + CD + DE + AE = AB + BC + 4 + 4+ AC = 23+8 = 31

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