Rincón del Maestro:www.rinconmaestro.es
GEOMETRÍA PLANA
1) Halla el perímetro y el área de un cuadrado cuya diagonal, d, es de
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2) Halla el perímetro y el área de un trapecio, conocidas las dos bases, un lado y la altura, tal
como se indica en la figura (el dibujo sólo es orientativo):
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3) Halla lo que mide el lado del siguiente hexágono sabiendo que el área es de 140,41 cm2 y la
apotema de 6,37 cm.
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4) Calcula el área de la zona sombreada, sabiendo que el lado del cuadrado es de
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Rincón del Maestro:www.rinconmaestro.es
5) Halla la longitud del arco y el área del sector circular determinados por un ángulo de 20º y
un radio de 8 cm. Haz un dibujo orientativo. Colegio Virgen de la Peña Tareas de Semana Santa MATEMÁTICAS 2º ESO
Juan J. Pascual
2/2
!
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6) Halla el radio de la circunferencia pequeña de una corona circular, sabiendo que el radio de
la circunferencia grande, R, es de 4 cm y el área de la corona es de 60 cm2.
Colegio Virgen de la Peña Tareas de Semana Santa MATEMÁTICAS 2º ESO
Juan J. Pascual
2/2
!
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7) Halla el perímetro y el área de un cuadrado cuya diagonal, d, es de
!
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Juan J. Pascual 1/2
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8) Halla lo que mide el lado del siguiente hexágono sabiendo que el área es de 42,2 cm2 y la
apotema de 3,5 cm
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Juan J. Pascual
1/2
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9) Calcula el área de la zona sombreada, sabiendo que el lado del cuadrado es de
!
3 m.
MATEMÁTICAS 2º ESO Prueba resuelta. Geometría I
Juan J. Pascual
2/2
!
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Rincón del Maestro:www.rinconmaestro.es
10) Halla la longitud del arco y el área del sector circular determinados por un ángulo de 30º y
un radio de 7 cm. Haz un dibujo orientativo.
MATEMÁTICAS 2º ESO Prueba resuelta. Geometría I
Juan J. Pascual
2/2
!
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de la circunferencia grande, R, es de 3 cm y el área de la corona es de 12 cm2
MATEMÁTICAS 2º ESO Prueba resuelta. Geometría I
Juan J. Pascual
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