Corresponding parts of congruent triangles

creating parts for corresponding angles

Corresponding parts of congruent triangles

correspondin parts of created triangles

Mathematics - Ix Assessment By Anil Sir

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Questions: 10 | Attempts: 92 | Updated: Mar 18, 2023

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Mathematics - Ix Assessment By Anil Sir - Quiz

CLASS IX INTERNAL ASSESSMENT

Questions and Answers

1.

Interior angles on the same side of transversal are known as
- A.
  
  Corresponding Angles
- B.
  
  Alternate angles
- C.
  
  Co-Interior angles
- D.
  
  Vertically opposite angles
- E.
  
  Option 5
Correct Answer
C. Co-Interior angles

Explanation
Co-interior angles are the angles that are formed on the same side of the transversal when two parallel lines are intersected by a third line called the transversal. These angles are located between the two parallel lines, on the inside of the "V" shape formed by the transversal. Co-interior angles are supplementary, which means that their sum is equal to 180 degrees. Therefore, the correct answer is co-interior angles.

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2.

The point of intersection of axes is known as ________.

Correct Answer
ORIGIN

Explanation
The point where the x-axis and y-axis intersect is called the origin.

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4
3.

ASS is a congruence criterion
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
The statement "ASS is a congruence criterion" is false. The ASS (Angle-Side-Side) criterion is not a congruence criterion, but rather a similarity criterion. In congruence, two figures are identical in shape and size, while in similarity, two figures have the same shape but may have different sizes. The ASS criterion is used to determine if two triangles are similar, not congruent. Therefore, the correct answer is false.

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4.

CPCT stands for
- A.
  
  Creating parts for corresponding angles
- B.
  
  Corresponding parts of congruent triangles
- C.
  
  Correspondin parts of created triangles
- D.
  
  All of the above
Correct Answer
B. Corresponding parts of congruent triangles

Explanation
CPCT stands for Corresponding Parts of Congruent Triangles. This acronym is used in geometry to refer to the fact that corresponding parts of congruent triangles are congruent. In other words, if two triangles are congruent, then their corresponding sides and angles are also congruent. This property is useful in solving geometric problems and proving the congruence of triangles.

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5.

The point (5,2) lies on the line 2x + 3y = 26
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
The point (5,2) does not satisfy the equation 2x + 3y = 26. When we substitute x=5 and y=2 into the equation, we get 2(5) + 3(2) = 10 + 6 = 16, which is not equal to 26. Therefore, the statement is false.

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6.

2.020020002 is a/an
- A.
  
  Rational number
- B.
  
  Irrational Number
- C.
  
  Can't say
- D.
  
  Need to verify the question
Correct Answer
A. Rational number

Explanation
The given number, 2.020020002, can be expressed as a ratio of two integers, since it has a finite decimal representation. Therefore, it is a rational number.

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7.

The degree of a zero polynomial is
- A.
  
  0
- B.
  
  Real numbers
- C.
  
  Not defined
- D.
  
  None of the above
Correct Answer
C. Not defined

Explanation
The degree of a polynomial is the highest power of the variable in the polynomial. However, a zero polynomial is a polynomial in which all the coefficients are zero. Since there are no terms with non-zero coefficients in a zero polynomial, it does not have a highest power of the variable. Therefore, the degree of a zero polynomial is not defined.

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8.

Which of the following points lie on the line 2 x + y =7
- A.
  
  (2,3)
- B.
  
  (1,5)
- C.
  
  (-3,13)
- D.
  
  All of the above
- E.
  
  Option 5
Correct Answer
D. All of the above

Explanation
All of the given points (2,3), (1,5), and (-3,13) satisfy the equation 2x + y = 7. When we substitute the x and y values of each point into the equation, we get a true statement. Therefore, all of these points lie on the line 2x + y = 7.

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9.

Line l is the bisector of an angle A and B is any point on l. BP and BQ are perpendiculars from B to the arms of angle A. Which of the following is true
- A.
  
  AP=AQ
- B.
  
  BP=BQ
- C.
  
  AB=AP
- D.
  
  1 AND 2 BOTH
- E.
  
  ONLY 1
- F.
  
  ONLY 2
Correct Answer
D. 1 AND 2 BOTH

Explanation
When line l is the bisector of angle A, it divides the angle into two equal parts. Therefore, AP and AQ are equal in length, which makes statement 1 true. Additionally, since BP and BQ are perpendiculars to the arms of angle A, they are equal in length, making statement 2 true. Hence, the correct answer is "1 AND 2 BOTH".

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Mathematics - Ix Assessment By Anil Sir

Interior angles on the same side of transversal are known as

The point of intersection of axes is known as ________.

ASS is a congruence criterion

CPCT stands for

The point (5,2) lies on the line 2x + 3y = 26

2.020020002 is a/an

The degree of a zero polynomial is

Which of the following points lie on the line 2 x + y =7

Line l is the bisector of an angle A and B is any point on l. BP and BQ are perpendiculars from B to the arms of angle A. Which of the following is true