Basic Terms and Definitions (Lines, Rays, Angles) MCQs
Practice Basic Terms and Definitions (Lines, Rays, Angles) multiple-choice questions from Lines and Angles (Class 9 Maths) - tap an answer for instant feedback and a step-by-step solution. Practice the full set free on the RankByte app.
Basic Terms and Definitions (Lines, Rays, Angles)Quiz - Solve & Score
Q1. Complement of 18?
- A.72
- B.162
- C.18
- D.73
Answer: A. 72
Quick parse - a typical math numerical. The data on the table: 18. We are after the quantity the stem asks for. Pick the chapter relation that contains every given quantity and the unknown; rearrange for the unknown. Numbers in: = 90-18 = 72. Lock in option A) 72. Trap-watch: option C) '18' misses the point - Pair to 90.
Q2. Complement of 53?
- A.37
- B.127
- C.53
- D.38
Answer: A. 37
Given 53, asked for the unknown. Apply the standard chapter relation to the data. = 90-53 = 37. Hence option A) 37. Others fail: option C) '53' fails since Pair to 90.
Q3. Complement of 79?
- A.11
- B.101
- C.79
- D.12
Answer: A. 11
Given 79, asked for the unknown. Apply the standard chapter relation to the data. = 90-79 = 11. Hence option A) 11. Others fail: option C) '79' misses the point - Pair to 90.
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