Answer:
√89 km ( = 9.43 km)
Step-by-step explanation:
refer to attached figures
Because we are given 2 sides of a right triangle, we can use the Pythagorean theorem to solve.
5² + 8² = x²
x² = 25 + 68
x² = 89
x = √89 ( = 9.43 km)
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Answer: scale factor = 1.5
Step-by-step explanation:
Given: Triangle ABC is a scaled copy of triangle DEF.
Side AB = 12 cm and is the longest side of ABC.
Side DE = 8 cm and is the longest side of DEF.
AB is corresponds DE (longest side of both triangles)
So,
Hence, the scale factor = 1.5.