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Nguyễn Hưng Phát 01/12/2017 at 18:29The area of the square triangle is:
\(\dfrac{12.5}{2}=30\)
The area of the semicircle is:
\(\dfrac{\dfrac{13}{2}.\dfrac{13}{2}.3,14}{2}=\dfrac{26533}{400}=66,3325\)
The total area of the shaded regions is:
66,3325-30=36,3325\(\approx36\)
Answer:36
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Shirayuki Akagami 02/12/2017 at 12:38The area of the square triangle is:
12.52 = 3012 . 52 = 30
The area of the semicircle is:
132.132.3,142 = 26533400 = 66,3325132.132.3,142 = 26533400 = 66,3325
The total area of the shaded regions is:
66,3325 - 30 = 36,33253636
Answer:36
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small angella 02/12/2017 at 19:50
what's your name?