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Class 7 Mathematics Chapter 6 The Triangle And Its Properties Quiz 12 (60 MCQs)

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1. A FIGURE WITH AT LEAST 3 STRAIGHT SIDES, USUALLY FIVE OR MORE SIDES
2. A triangle with one angle equal to 90 degrees
3. Using the Pythagorean theorem, if one leg of a right triangle is 5 cm and the hypotenuse is 13 cm, what is the length of the other leg?
4. How do you identify the height and base of a triangle?
5. A triangle whose angles measure 55$^{0}$, 45$^{0}$, and 80$^{0}$ could be classified as a(n)
6. Triangles are ..... dimensional.
7. A triangle whose sides measure 8 in, 8 in and 8 in can be classified as a(n)
8. Determine what type (if any) of a triangle would have the following side lengths:4, 6, 8
9. RESIZING A FIGURE BY A CERTAIN SCALE FACTOR
10. How much do the angles of a triangle measure if it is known that two of them are congruent and the third measures 100$^\circ$?
11. What is the name of a quadrilateral with all 90 degree angles?
12. All triangles have a measure of
13. An equilateral triangle has three equal angles. Which equation could be used to find the measure, m, of one angle?
14. All of these are not the properties of a rectangle but one
15. The nearest star to earth is .....
16. How many midsegments does a triangle have?
17. In a thrilling mystery at the triangular parking lot, three detective cameras named Jase, Brayden, and Josh were on a mission! Oliver was stationed 157 ft from Evelyn, who was 104 ft from Nora. Meanwhile, Oliver and Nora were 138 ft apart. Which detective camera had to cover the greatest angle to solve the mystery?
18. The Centroid is the intersection of the ..... in a triangle.
19. Sun is ..... if compared with other stars.
20. Which shape is always regular?
21. A scalene triangle can have a right angle
22. What is the exterior angle of a triangle if one of the interior angles is 50 degrees?
23. A triangle has vertices with coordinates (2, 0), (3, -1) and (-2, -5). If the triangle is dilated by a scale factor of 3 with the origin as the center of dilation, what are the coordinates of the vertices of the image?
24. The medians of a triangle are concurrent. Their common point is the .....
25. Which quadrilateral has two pairs of adjacent sides that are equal?
26. How many triangles exist with the given side lengths? Two sides that measure 12 inches with a 60$^\circ$ included angle.
27. Which set of side lengths does not form a right triangle?
28. What does it mean for two triangles to be congruent?
29. Do the segment lengths 15, 12, and 9 form a right triangle?
30. Do these 3 side lengths form a right triangle?13, 80, and 81?
31. Which of the following is not a postulate use to prove triangle congruence?
32. Identify the type of triangle with angles measuring 45 degrees, 45 degrees, and 90 degrees.
33. Imagine you're navigating the vast Ocean of Shapes and you come across an island shaped like a triangle with one angle measuring exactly 90 degrees! What type of triangle is the island?
34. Triangle that has one obtuse angle
35. In a triangle, what is the sum of the measures of the interior angles?
36. Show that in a quadrilateral MNOP, MN + NO + OP + PM < 2(MO + NP)Click on 'Yes' when it is completed.
37. Two adjacent angles that form a straight angle equal to 180*
38. Is the following a triangle, and if so, which type?Side lengths:20, 21, 29
39. Name the shortest side in $\Delta$ ABC if m/A = 35$^\circ$ and m/B = 82$^\circ$.
40. Can a triangle be formed with side lengths:17, 9, 30
41. While navigating the treacherous angles of Mount Scalene, you stumble upon a peculiar rock formation shaped like a triangle. Two of its angles shine brightly under the sun at 30 degrees and 60 degrees. Can you calculate the measure of its elusive third angle?
42. Imagine you're an architect designing a park. You decide to include a triangular flower bed where two of its sides lean towards each other equally. What special name does this triangle get?
43. A 10-foot pole leans against a house. If the angle the pole makes with the ground is 72 degrees, what is the distance between the building and the base of the pole? Round to the nearest tenth. (*Hint-Draw a picture.)
44. A telephone booth that is 8 ft tall casts a shadow that is 4 ft long. Find the height of a lawn ornament that casts a 2 ft shadow.
45. Obtuse angle is ..... 90$^{o}$.
46. A segment that connects a vertex of a triangle to the midpoint of the opposite side
47. Select the true statement
48. A parallelogram has 2 pairs of parallel sides.
49. Two sides of an isosceles triangle measure 4 and 8. Which of the following choices could be the measure of the third side?
50. Does the set of numbers represent a right triangle?20, 25, 15
51. How many degrees are in complementary angles?
52. 2 triangles are similar if .....
53. Two sides of a triangle have the following measures. Find the range of possible measure for the third side. $8, 12$
54. An equilateral triangle on the coordinate plane has vertices at (-2, 1) and (4, 1). Select ALL the possible coordinates of the third vertex rounded to the nearest tenth?
55. What does it mean for two shapes to be similar?
56. A triangle has the following side lengths:AB = 12 unitsBC = 10 unitsAC = 16 units What type of triangle does this make?
57. The altitudes of a triangle are concurrent. Their common point is the .....
58. All of the faces on a pyramid that are NOT the base must be
59. Acute angle is ..... 90$^{ o}$.
60. What type of triangle has all angles less than 90 degrees?
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