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s344n2d4d5 [400]
3 years ago
9

Rachel rides her biycle 12 kilometers due south from her home. Then she turns and rides 9 kilometets due west. How far is rachel

from her home?

Mathematics
2 answers:
riadik2000 [5.3K]3 years ago
8 0
Hope this helps! Just use the Pythagorean’s theorem.

lianna [129]3 years ago
4 0

Answer: 15 km

Step-by-step explanation:

Pythagorean triples is used for this:

Pythagorean triples= 3-4-5 (not subtraction)

Find hypotenuse (long side): Since 12 down, 9 left

<h3>a2+b2=c2 </h3><h3>Formula: (9x9)+(12x12)=\sqrt{cxc}</h3><h3>(c*c)= 81+144=225 (square root)</h3><h3>= 15km</h3>
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