Friday, February 14, 2014
A student used a string to measure the circumference and diameter of a can of soup. Circumference of a Circle?
A student used a string to measure the circumference and diameter of a can of soup. Circumference of a Circle?
A student used a string to measure the circumference and diameter of a can of soup. The measure of the circumference was divided by the diameter. A reasonable quotient would be 1) 2 2) 3 3) 4 4) 5 The original Ferris wheel constructed in 1893 measured 76 m in diameter. The circumference, to the nearest metre was 1)239 2)152 3)477 4)119 The circumference of a circle is 18.84 m. The radius of the circle is 1)6 m 2)3 m 3)9 m 4)12 m A cylindrical barrel with a radius of 0.3 m and a height of 1 m is rolled down a ramp. The barrel makes exactly 3 revolutions while going down the ramp. The distance, in metres, travelled by the barrel is 1) 0.942 2) 1.884 3) 5.652 4) 9.4 A pizza made in South Africa in 1990 was a record 37.4 m in diameter. What was the circumference of the pizza to the nearest tenth of a metre? 1)74.9 2)58.7 3)234.9 4)117.4
Mathematics - 2 Answers
Random Answers, Critics, Comments, Opinions :
1 :
1st question- 2)3 because pi = 3.14 2nd question- 1)239 diameter x pi= 238.64 rounded up= 239 3rd question- 2)3 18.84 divided by 3.14 divided by 2 4th question- 3)5.652 .3 x 2=.6 x 3.14= 1.884 x 3= 5.652 5th question- 4)117.4 37.4 x 3.14= 117.436 rounded down
2 :
I answered the 5 questions independently from the first Answerer above and my answers are the same (2) (1) (2) (3) (4)
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