Area problems
- 1. What is the area (in sq cm) of a rectangle of perimeter 48 cm and breadth 10 cm?
Options- A. 140
- B. 480
- C. 240
- D. 440 Discuss
Correct Answer: 140
- 2. The areas of two similar triangles ?XYZ and ?PQR are 100 sq cms and 25 sq cms respectively. If PQ = 4 cm then what is the length of XY (in cm)?
Options- A. 16
- B. 14
- C. 8
- D. 20 Discuss
Correct Answer: 8
- 3. What is the area (in sq cm) of a regular hexagon of side 6 cm?
Options- A. 27?3
- B. 54?3
- C. 54
- D. 27 Discuss
Correct Answer: 54?3
- 4. What is the reflection of the point (2, -3.5) in the y-axis?
Options- A. (-2, 3.5)
- B. (-2, -3.5)
- C. (-3.5,-2)
- D. (3.5,-2) Discuss
Correct Answer: (-2, -3.5)
- 5. Point A divides segment BC in the ratio 1:3. Co-ordinates of B are (4,-4) and C are (0,6). What are the co-ordinates of point A?
Options- A. (-3, 1.5)
- B. (-1.5, 3)
- C. (3, -1.5)
- D. (1.5, 3) Discuss
Correct Answer: (3, -1.5)
- 6. What is the slope of the line parallel to the line passing through the points (4,-2) and (-3,5)?
Options- A. 3/7
- B. 1
- C. -3/7
- D. -1 Discuss
Correct Answer: -1
- 7. ?XYZ is similar to ?PQR. If ratio of perimeters of ?XYZ : ?PQR is 3:2 and if PQ = 6 cm then what is the length of XY (in cm)?
Options- A. 4
- B. 8
- C. 12
- D. 9 Discuss
Correct Answer: 9
- 8. What is the reflection of the point (5, 3) in the line y = -2?
Options- A. (-9 , 3)
- B. (-5 , -7)
- C. (-9 , -3)
- D. (5 , -7) Discuss
Correct Answer: (5 , -7)
- 9. ? LMN is right angled at M. If m?N = 45°, what is the length of MN (in cm), if NL = 9?2 cm?
Options- A. 9?2
- B. 9/?2
- C. 18
- D. 9 Discuss
Correct Answer: 9
- 10. The diagonal of a square is 12 cm what is the length (in cm) of its side?
Options- A. 6?2
- B. 12?2
- C. 6
- D. 9 Discuss
Correct Answer: 6?2
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