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D Which among the following statements is/are correct for a rhombus and a rectangle?
1. The diagonals bisect each other at right angles.
2. The opposite angles are equal.
3. The measures of diagonals are equal.
4. All sides are equal.
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D 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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D ΔABC is an isosceles triangle and ∠A = 30°. Which of the following cannot be the measures of other two angles?
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| D How many lines of symmetry does an equilateral triangle have? D |
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| D What is the area of a parallelogram, if its base is 2 yd and its height is 6 yd? D |
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D Find the area of the colored region in the figure.
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D 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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| D The perimeter of an equilateral triangle is 33 m. What is the length of each side of the triangle? D |
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| D What is the measure of ∠A, if ΔABC is congruent to ΔDEF? D |
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D What is the height of ΔPQR, if its area is 6 in.2 and the measure of QR is 4 in.?
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D The triangles ABC and DCE are congruent in the figure. Find DE, if AB = 5 in., AC = 3 in. and EC = 4 in.
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| D Pythagorean theorem is applicable for ________. D |
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D What is the length of the side PR of ΔPQR in the figure?
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D Which of the following congruency statements is not true in the figure?
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D What is the length of the side PR in the right triangle?
PR
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D What is the length of the third side of the triangle in the figure?
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D What are the values of x and y in the triangle?
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| D What unit of measure would you use to estimate the depth of a swimming pool? D |
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D O is the center of the circle. Are the triangles COB and COD isosceles triangles?
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D A square is inscribed in the circle. How many right triangles can be seen in the circle?
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D John spent 23 of an hour watching a movie and 16 of an hour cleaning his room. What fraction of an hour did he spend in both watching the movie and cleaning his room?
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