MCQ in Plane Geometry Part 2 Answer Key | Mathematics Board Exam

MCQ in Plane Geometry Part 2 Answer Key | Mathematics Board Exam

Part 2 is finished. Now use this answer key to figure out what that performance actually means for your readiness.

Every answer in this set comes from past board exam problems, engineering mathematics textbooks, academic journals, and other dependable references used by reviewees preparing for the Mathematics section of the board exam. This is not just a scoring tool. It is a diagnostic that tells you which concepts you have genuinely understood and which ones only looked familiar until the question was framed a different way.

By Part 2, the problems start testing your ability to apply plane geometry concepts beyond straightforward recall. If you found certain items harder to work through than expected, pay close attention to those. They are pointing directly at the gaps that need to be closed before exam day.

Go through every answer in this set carefully. For each wrong item, trace the full solution and understand where your approach broke down. Was it the way you read the problem? The concept you applied? The setup of the solution? Knowing the answer is not the same as understanding it, and the board exam will make that distinction clear.

Part 1 answer key is still on Pinoybix if you need to go back and revisit anything from the first set. Take what you learned from this review and bring that same focus into Part 3.

51. D. 4 : 1

Solution: What is the ratio of a to b if a is greater than b and b could not be equal to zero?

52. A. 21.33 sq. m.

Solution: Find its area if its perimeter is 26 cm.

53. A. 1 < x < 5

Solution: what are the possible values of x?

54. A. 13

Solution: In triangle ABC, AB = 8 m and BC = 20 m. One possible dimension of CA is

55. C. 69 m.

Solution: The perimeter of the triangle may be

56. D. 468 sq. cm.

Solution: The sides of a triangle ABC are AB = 25 cm, BC = 39 cm, and AC = 40 cm. Find its area

57. C. 9/4

Solution: What is the ratio of their areas?

58. A. 95.45 sq. units

Solution: Find the area of the triangle whose sides are 12, 16, and 21 units

59. A. 240

Solution: How many square units will be the area of the new triangle?

60. B. 4 & 10

Solution: Find the altitudes, if the areas of the triangle differ by 21 square units

61. C. 5612 sq. cm.

Solution: The area of the part adjacent to the 180-cm side is

62. D. 57.5

Solution: Find EB if the area of the inner triangle is ¼ of the outer triangle

63. A. 165 cm²

Solution: The area of the rectangle is

64. B. 27 sq. m.

Solution: What is the area of the room?

65. C. 27.75%

Solution: By how many percent will his estimate for the area be too small?

66. B. 100%

Solution: Its perimeter is increased by

67. B. 9

Solution: The dimension of the bigger square is

68. B. 15°

69. C. 158.7 sq. m.

Solution: The area of a parallelogram is

70. C. 10.73

Solution: Find the length of the shorter diagonal

71. C. 22 centimeter

Solution: The length of the longer diagonal is

72. D. 40 sq. cm.

Solution: The diagonals of a rhombus are 10 cm. and 8 cm., respectively. Its area is

73. A. 40.25 sq. cm.

Solution: Given a cyclic quadrilateral whose sides are 4 cm, 5 cm, 8 cm, and 11 cm. Its area is

74. D. 45/2

Solution: Find the length of the fold

75. B. 145.33 sq. cm.

Solution: Find the area of the quadrilateral in sq. m.

76. C. 16, 20

Solution: Its two bases in meters have ratio of 4:5, the bases are

77. D. 2722 sq. cm

Solution: Determine the area of the quadrilateral shown

78. D. P1,884,050

Solution: What is the worth of the lot if its unit price is P2500 per square meter?

79. A. 22 sq. units

Solution: Determine the area of the quadrilateral having (8, -2), (5, 6), (4, 1), and (-7, 4)

80. B. 18 sq. m.

Solution: Find the area of the shaded portion shown if AB is parallel to CD

81. A. 360°

82. C. 1800°

83. B. 24

Solution: Each interior angle of a regular polygon is 165°. How many sides?

84. D. 5

Solution: Find the number of sides

85. D. 8

Solution: The sum of the interior angles of a polygon of n sides is 1080°

86. D. 90

Solution: How many diagonals does a pentedecagon have

87. A. 20

Solution: A polygon has 170 diagonals. How many sides does it have?

88. C. 19.57 cm²

Solution: The area in the circle not covered by hexagon is

89. C. 165 sq. cm.

Solution: The area of a regular decagon inscribed in a circle of 15 cm diameter is

90. C. 16

Solution: The sum of the interior angle of polygon is 2,520°. How many are the sides?

91. B. 2.598 sq. units

Solution: The area of a regular hexagon inscribed in a circle of radius 1 is

92. D. 0.828

Solution: What is the length of the sides of the resulting octagon?

93. B. Nonagon

94. A. 19.3 sq. units

Solution: Find the area of the region inside the octagon

95. C. 282.8 sq. units

Solution: Find the area of the octagon

96. C. 33.52 inches

Solution: The area of a circle is 89.4 square inches. What is the circumference?

97. B. 363.6

Solution: Find the area of the larger segment in cm square

98. D. 53.7

Solution: Find the area of the smaller part, in cm square

99. A. 317 sq. cm.

Solution: Find the area of the circle

100. B. 323.57 sq. cm.

Solution: Find the area of the rectangle

Online Question and Answer in Plane Geometry Series

Following is the list of practice exam test questions in this brand new series: