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B The diameter of a circular garden is 44 ft. What is the new circumference of the garden, if its radius is decreased by 6 ft? [ Use π = 3.14]
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B The radius of a circular bath tub is 7 ft. What is the area of the bottom surface of the tub? [Hint: Use π = 227]
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| B A circular park of radius 300 ft has a circular pavement around it. What is the area of the pavement, if the width of the pavement is 2 ft? [Use π = 3.14] B |
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| B How many lines of symmetry does an equilateral triangle have? B |
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| B What is the area of the shaded region in the figure?[Use π = 3.14] B |
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| B What is the formula to find the sum of the angles of a polygon with n sides? B |
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B The diameter of a circular manhole is 28 in. What is the area of the metal plate required to cover the manhole? [Use π = 3.14]
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B The measures of five angles of a hexagon are 128o, 112o, 134o, 106o and 126o. What is the measure of the sixth angle?
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| B What is the expression for the number of triangles formed by the diagonals drawn from a single vertex of an n sided polygon? B |
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B What is the sum of the angle measures of a hexagon?
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B What is the measure of each angle of a regular decagon?
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B The difference between the interior and the exterior angle of a regular polygon is 120o. How many sides does the polygon have?
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B O is the center of the circle. Name the line segment OD.
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B Name the polygon inscribed in the circle with center O.
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| B The distance around the circle is called __________. B |
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B Which of the angles measures 60° approximately?
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B A rectangle is congruent to another rectangle which is 10 ft long and 7 ft wide. Find the perimeter of the first rectangle.
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| B The two triangles shown in the figure are congruent. If m∠A = 120°, then find m∠R. B |
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| B Identify the figures that are similar but not congruent. B |
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| B Which figure can be formed by a set of points in a plane that are at the same distance from a point? B |
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B The table shows the production, imports and consumption of electricity of a particular State. Pick an appropriate bar graph that represents the statistics in the table.
| Year | Electricity production | Electricity imports | Consumption | | 1985 | 70 | 70 | 65 | | 1990 | 75 | 75 | 80 | | 1995 | 80 | 70 | 70 | | 2000 | 70 | 80 | 85 |
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| B Charlie is at the center of a circular pond of diameter 124 m. What is the least distance Charlie has to swim to come out of the pond? B |
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B The monthly sales of an automobile dealer are shown in the table. Pick an appropriate bar graph for the data.
| Months | Sales in '000 $ | | Jan | 15 | | Feb | 14 | | Mar | 13 | | Apr | 16 | | May | 12 | | June | 15 |
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| B The product of π and the diameter d of a circle is the __________ of the circle. B |
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