Answer:
11.547 cm
Step-by-step explanation:
Triangle ABC is a right triangle. BC and AB are x cm long. From Pythagorean theorem:
AC² = x² + x² = 2x²
Triangle ACF is a right triangle. CF is x cm long. From Pythagorean theorem:
20² = AC² + x²
20² = 2x² + x²
20² = 3x²
√(20²/3) = x
x = 11.547 cm
Answer:
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Answer choice D, A,B, and C both equal 3.
Answer:
a grocery store
Step-by-step explanation:
it seems strange that most of those would request a report card at all
They are the same in length