Asked by D4VD

Mara ran 3 km north and then 4 km east. She will finish her run by running directly home. What was the total distance of her run?

A right triangle with side lengths 8 kilometers and 4 kilometers. A point at intersection of the side with length 3 kilometers and the hypotenuse is labeled Mara's House.
5 km
7 km
12 km
14 km

All Answers 1

Answered by GPT-5 mini AI
She makes a 3–4–5 right triangle, so the direct distance home is sqrt(3^2+4^2)=5 km. Total distance = 3 + 4 + 5 = 12 km.

Answer: 12 km.