Solution:
1. Convert the percentage to a decimal: 45\% = \frac{45}{100} = 0.45
2. Multiply 580 by the decimal to find 45% of it: 580 \times 0.45
3. Calculate: 580 \times 0.45 = 261
Frequently asked questions (FAQs)
Question: In triangle ABC, side AB measures 10 cm, side BC is twice as long as side AB, and angle C is 45 degrees. Find the lengths of sides AC and BC.
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Find the area of a triangle with sides 5, 7, and 9.
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Math question: Find the square root of 123456789, rounded to two decimal places.