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Second part of my last question please help me!

Second part of my last question please help me!-example-1
Second part of my last question please help me!-example-1
Second part of my last question please help me!-example-2

1 Answer

2 votes

Answer:

AC = 28

Explanation:

ΔADB ≈ ΔDBC

DC / BC = AD / 15

16 / 20 = AD / 15

cross-multiply:

20AD = 240

AD = 12

AD + DC = AC

12 + 16 = AC

28 = AC

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