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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 How many lines of symmetry does the figure have?
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B Is the vertical line drawn at the center of the figure a line of symmetry?
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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 What unit of measure would you use to estimate the depth of a swimming pool? B |
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B O is the center of the circle. Name the line segment OD.
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B Identify the corresponding angles in the figure.
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B Name the polygon inscribed in the circle with center O.
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B AB and CD are two parallel lines and ∠x = 90o. Find the measures of ∠1, ∠4, and ∠6.
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