Math 7
Math 7
Math 7
Department of Education
QUARTER 3
Third Periodical Exam
MATHEMATICS 7
DIRECTIONS: Read each question carefully and choose the answer from the alternatives that
follow. Write the LETTER only. Write your answer on a ONE WHOLE SHEET OF PAD
PAPER.
10. It is a closed plane figure that is determined by its non – collinear segments (sides) that
meets on a common endpoint (vertex).
A. Plane C. Polygon
B. Shape D. Angles
12. It is defined as the set of all points that are at the same distance from a given fixed point
in the plane.
A. Polygon C. Circle
B. Quadrilateral D. Plane
13. If 𝐴𝑀̅̅̅̅̅ is a radius that measures 3𝑥−2, what is the measure of its diameter?
A. 3𝑥−2 C. 6𝑥−4
B. 3𝑥−22 D. 4𝑥−6
18. If a certain polygon’s sum of interior angle is 900°, how many sides does the polygon
have?
A. Pentagon C. Heptagon
B. Nonagon D. Undecagon
20. Angles N and P are complementary. If 𝑚∠𝑁=65°, what is the measure of ∠𝑃?
A. 15° C. 105°
B. 25° D. 125°
21. Which of the following are linear pair based on the figure at the right?
A. ∠𝐸𝑆𝐴 𝑎𝑛𝑑 ∠𝐿𝑆𝐺 C. ∠𝐴𝑆𝑁 𝑎𝑛𝑑 ∠𝐿𝑆𝑁
B. ∠𝐸𝑆𝐴 𝑎𝑛𝑑 ∠𝐴𝑆𝑁 D. ∠𝐴𝑆𝑁 𝑎𝑛𝑑 ∠𝐸𝑆𝐿
22. If the complement of an angle is 45°, what is its supplement?
A. 115° C. 135°
B. 125° D. 145°
24. These are two angles whose sum of their measures is 180°.
A. Complementary Angles C. Linear Pair
B. Adjacent Angles D. Supplementary Angles
27. A convex pentagon has 5 sides. What is the sum of its interior angles?
A. 180° C. 480°
B. 360° D. 540°
28. If the diameter of a circle is 4𝑥 and its radius is 𝑥+3. What are the measures of the
diameter and its radius?
A. 12 𝑎𝑛𝑑 6 C. 4 𝑎𝑛𝑑 2
B. 8 𝑎𝑛𝑑 4 D. 2 𝑎𝑛𝑑 1
29. If the diameter of circle P measures 12 in, what is the measure of its radius?
A. 12 cm C. 6 cm
B. 12 in D. 6 in
30. In a triangle, the 𝑚∠𝐴=𝑥, 𝑚∠𝐵=𝑥+10 𝑎𝑛𝑑 𝑚∠𝐶=𝑥+20, what is the 𝑚∠𝐴, 𝑚∠𝐵,𝑎𝑛𝑑 𝑚∠𝐶?
A. 30°,50°,𝑎𝑛𝑑 100° C. 50°,60°,𝑎𝑛𝑑 70°
B. 40°,60°,𝑎𝑛𝑑 80° D. 60°,60°,𝑎𝑛𝑑 80°
31. Two angles which share a common side, and a common vertex are called
________________.
A. Linear Pair C. Adjacent Angles
B. Vertical Angles D. Complementary Angles
34. Two angles having the measurements of 10° and 80° are examples of ________________.
A. Adjacent Angles C. Supplementary Angles
B. Vertical Angles D. Complementary Angles
35. The sum of the measures of the interior angles of a convex polygon with 𝑛 sides is (𝑛 – 2)
180°.
A. Opposite Angle Theorem C. Exterior Angles Theorem
B. Pythagorean Theorem D. Interior Angles Theorem
36. What theorem states that the sum of the measures of the exterior angles of a convex
polygon, one angle at each vertex is 360°?
A. Interior Angles Theorem C. Pythagorean Theorem
B. Exterior Angles Theorem D. Opposite Angle Theorem
37. It is an angle whose vertex lies on the circle and the sides contain the chords of the
circle.
A. Central Angle C. Reflex Angle
B. Inscribe Angle D. Straight Angle
40. If the sum if the interior angles of a polygon is 360°, how many sides does the polygon
have?
A. 3 C. 5
B. 4 D. 6