Semicircle
The ornament consists of one square and four dark semicircles. The area of the square is 4 cm2. Find the area of one dark semicircle and round the result to hundreds.
Correct answer:
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You need to know the following knowledge to solve this word math problem:
- algebra
- expression of a variable from the formula
- arithmetic
- square root
- rounding
- planimetrics
- circle
- area of a shape
- square
- circular sector
- circular segment
Units of physical quantities:
Grade of the word problem:
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