Alvin drives 12 km due south from town A to town B, and then drives 72 km due east to town C. Finally, he 12 km drives 18 km due south to town D. Find the distance between town A and town D. ((please help,

asked Dec 15, 2020 101k views

2 votes

by Doboy

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5 votes

Answer:

78 km

Explanation:

Redraw diagram. (See pic)

Use Pythagoras to find distance

$y = \sqrt{ {30}^(2) + {72}^(2) }$

y = 78

TypedSource answered Dec 22, 2020

8.7k points

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