1329587
Descripción
Test por Oliver Balay, actualizado hace más de 1 año
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Creado por Oliver Balay
hace más de 9 años
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Pregunta 1
Pregunta
The diameter of a circle is the distance from the centre of the circle to any point on the circle?
Respuesta
- True
- False
Pregunta 2
Pregunta
Units of area are always written as squares for e.g. mm 2, cm 2, m 2 e.t.c.
Respuesta
- True
- False
Pregunta 3
Pregunta
Find the area of a circle with a diameter of 20 cm. Give the answer correct to 1 decimal point (DP).
Respuesta
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A = 341.2 cm 2
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A = 314.2 cm 2
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A = 342 cm
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A = 100c m 2
Pregunta 4
Pregunta
Find the area of a circle with a radius of 12 cm. Give your answer correct to 3 significant figures (SF).
Image:
Radius_12cm.gif (image/gif)
Respuesta
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A = 452 cm 2
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A = 453 cm 2
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A = 452 cm
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A = 453 cm
Pregunta 5
Pregunta
Find the area of a circle with a diameter of 12 m. Give the answer correct to 1 decimal place (DP).
Image:
Diameter (image/png)
Respuesta
-
A = 36.1 m 2
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A = 36 m
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A = 113.0 m 2
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A = 113.1 m 2
Pregunta 6
Pregunta
Find the area of a circle with a radius of 50 mm. Give your answer correct to 4 significant figures (SF).
Image:
Radius.gif (image/gif)
Respuesta
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A = 7853 mm 2
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A = 7854 mm 2
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A = 2500 mm 2
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A =2500 mm
Pregunta 7
Pregunta
To find the area of a semi-circle you can use the following formula: 1/2 x π x r 2
Image:
Semi_circle (image/jpg)
Respuesta
- True
- False
Pregunta 8
Pregunta
Find the circumference of a wheel with a diameter of 50 cm. Give your answer correct to 4 significant figures (SF).
Respuesta
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C = 175cm
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C = 150cm
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C = 157 cm 2
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C = 157 cm
Pregunta 9
Pregunta
A plate has a radius of 15 cm. Find the circumference of the plate and give your answer correct to 1 decimal place (dp)
Image:
Plate (image/jpg)
Respuesta
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C = 94.1 cm
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C = 49.2 cm
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C = 94.2 cm
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C = 94.2 m
Pregunta 10
Pregunta
A wheel has a radius of 300 mm. Find the circumference of the wheel and give your answer correct (to 4 SF)
Respuesta
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C = 1488 mm
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C = 1884 mm
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C = 1885 mm
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C = 600 mm
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