Freesia walks 12 miles in 4 hours. At this rate, how many miles does she walk in 7 hours?
1 answer:
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Answer:
x =
Step-by-step explanation:
The segment from the vertex to the base is a perpendicular bisector.
Using Pythagoras' identity on the right triangle on the left.
x² = 2² + 3² = 4 + 9 = 13 ( take the square root of both sides )
x =