Practice the AP 7th Class Maths Bits with Answers Chapter 9 Construction of Triangles on a regular basis so that you can attempt exams with utmost confidence.
AP State Syllabus 7th Class Maths Bits 9th Lesson Construction of Triangles with Answers
Choose the correct answer.
Question 1.
Which of the following measurements are correct to construct a triangle?
A) 2 cm, 3 cm, 5 cm
B) 4 cm, 5 cm, 7 cm
C) 1 cm, 2 cm, 3 cm
D) 5 cm, 6 cm, 13 cm
Answer:
B) 4 cm, 5 cm, 7 cm
Question 2.
Which of the following measurements are unable to construct a triangle?
A) 2 cm, 2 cm, 2 cm
B) 1 cm, 2 cm, 2 cm
C) 7 cm, 5 cm, 9 cm
D) 3 cm, 4 cm, 7 cm
Answer:
D) 3 cm, 4 cm, 7 cm
Question 3.
Which of the following is True?
A) a – b > c
B) a + b < c
C) b + c > a
D) c – a = b
Answer:
C) b + c > a
Question 4.
In which of the following situation ΔABC is constructed?
A) AB + BC = AC
B) AB + BC ≯ AC
C) BC + CA < AB
D) AB + AC > BC
Answer:
D) AB + AC > BC
Question 5.
In which of the following situation ΔXYZ is not constructed?
A) XY + YZ > XZ
B) XY + XZ > YZ
C) XY < XZ + ZY
D) XY > XZ + ZY
Answer:
D) XY > XZ + ZY
Question 6.
Winch measurements are able to construct a triangle?
A) 4 cm, 7 cm, 11 cm
B) 2 cm, 3 cm, 6 m
C) 5 cm, 6 m, 8 m
D) 9 cm, 2 cm, 5 cm
Answer:
C) 5 cm, 6 m, 8 m
Question 7.
Which of the following measurements are not able to construct a triangle?
A) 2 cm, 3 cm, 4 cm
B) 11 cm, 7 cm, 18 cm
C) 7 cm, 4 cm, 5 cm
D) 9 cm, 7 cm, 10 cm
Answer:
B) 11 cm, 7 cm, 18 cm
Question 8.
Which of the following measurements are not able to construct a triangle?
A) PQ = 5 cm, ⌊P = 105°, ⌊Q = 95°
B) 6.5 cm, 6.5 cm, 6.5 cm
C) ∠A = 60° AR = 8 cm, ⌊A = 8 cm
D) TE = 3 cm, ⌊E = 90°, NE = 4 cm
Answer:
A) PQ = 5 cm, ⌊P = 105°, ⌊Q = 95°
Question 9.
In which of the following measurements a triangle is constructed?
A) ΔNET, NE = 6.4 cm, ⌊N = 80°, ⌊E = 100°
B) ΔXYZ, XY = 2 cm, YZ = 8 cm, XZ = 4 cm
C) ΔRUN, RN = 5 cm, ⌊R = ⌊N = 45°
D) ΔABC, ⌊B = 90°, AC = 7 cm, AB = 8 cm
Answer:
C) ΔRUN, RN = 5 cm, ⌊R = ⌊N = 45°
Question 10.
A triangle can be drawn in which of the following situations? When
A) three sides of the triangle are given
B) three angles are given
C) three acute angles are given
D) three acute one obtuse angles are given
Answer:
A) three sides of the triangle are given
Question 11.
A triangle can’t be drawn in which of the following situations? When
A) three sides are given
B) two sides and the angle included between them.
C) two angles and the side included between them.
D) two interior angles and one obtuse angle
Answer:
D) two interior angles and one obtuse angle
Question 12.
Number of individual measurements are requited to construct an equilateral triangle?
A) 1
B) 2
C) 3
D) 4
Answer:
A) 1
Question 13.
Number of individual measurements are required to construct a triangle?
A) 1
B) 2
C) 3
D) 4
Answer:
C) 3
Question 14.
A triangle has ……………..
A) one right angle
B) two obtuse angles
C) two right angles
D) one right angle and one obtuse angle
Answer:
A) one right angle
Question 15.
In ΔMAN, \(\overline{\mathbf{M A}}=\overline{\mathbf{A N}}\) then it is a ………………. type of triangle.
A) Scalene
B) Isosceles
C) Equilateral
D) Right angled triangle
Answer:
B) Isosceles
Question 16.
In ΔABC, ⌊C = 90° then its hypotenuse is ……………….?
A) AB
B) BC
C) AC
D) None
Answer:
A) AB
Question 17.
In ΔPQR PQ = QR = 5 cm, ⌊Q = 90° then it is a ……………….. triangle.
A) Isosceles
B) Right angled Isosceles
C) Right angled
D) Equilateral
Answer:
B) Right angled Isosceles
Question 18.
In ΔACB, a = 3 cm, b = 4 cm, c = 5 cm then its Hypotenuse is …………….? [⌊C = 90°]
A) AC
B) BC
C) AB
D) None
Answer:
C) AB
Question 19.
Two sides and included angle of the first triangle are correspondingly equal to two sides and included angle of the second triangle then the two triangles are said to be congruent under the property of ………….
A) A.S.A
B) S.A.S
C) R.H.S
D) S.S.S
Answer:
B) S.A.S