janetcooly
02.06.2021 •
Mathematics
1.- Luisa tiene un pay de queso que rebano en 8 partes, primero entre su mamá, su hermano y ella tomaron 3/8 de pie, quedando solo 5/8.
Al siguiente día llegaron 6 amigas de Luisa ¿Qué fracción del pastel le corresponde a cada una de ellas?
2.- Del total de alumnos de la escuela 4/5 van al campamento este año. Viajarán repartidos en 3 camiones por igual número de alumnos. ¿Qué fracción del total de alumnos va en cada camión?
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Ответ:
14.13 units^2.
Step-by-step explanation:
The area of a circle is found by doing pi * r^2. In this case, the diameter is 6. 6 / 2 = 3. So, r = 3.
pi * 3^2 = pi * 9 = 9pi.
This is a semicircle, so the area will be half of the whole circle.
9pi / 2 = 4.5 * pi = 4.5 * 3.14 = 14.13 units^2.
Hope this helps!