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.
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78 km

Step-by-step explanation:

Redraw diagram. (See pic)

Use Pythagoras to find distance

60.9774

step-by-step explanation:

because when you add 47.6 plus 7.32 equals 54.92

and when you add .0574 + 6= 6.0574

and when you add 54.92 and 6.0574 you get the answer of 60.9774.

plzz mark brainlest last one got deleted. cause i didn't explain it but i did but i understand what the mod meant