Discussion
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- Question
?XYZ is similar to ?PQR. If ratio of Perimeter of ?XYZ and Perimeter of ?PQR is 16:9 and PQ = 3.6 cm, then what is the length(in cm) of XY?
Options- A. 4.8
- B. 3.2
- C. 6.4
- D. 8.6
- Correct Answer
- 6.4
- 1. What is the slope of the line parallel to the line passing through the points (5, -1) and (4, -4)?
Options- A. -3
- B. -1/3
- C. 3
- D. 1/3 Discuss
- 2. What is the area (in sq cm) of a regular hexagon of side 14 cm?
Options- A. 147?3
- B. 441?3
- C. 196?3
- D. 294?3 Discuss
- 3. What is the diameter (in cm) of a sphere of surface area 154 sq cm?
Options- A. 3.5
- B. 14
- C. 10.5
- D. 7 Discuss
- 4. ?ABC is right angled at B. BD is its altitude. AD = 4 cm and DC = 12 cm. What is the value of AB (in cm)?
Options- A. 9
- B. 10
- C. 6
- D. 8 Discuss
- 5. At least one diagonal bisects the other in a _____.
Options- A. Trapezium
- B. Isosceles trapezium
- C. Kite
- D. Cyclic quadrilateral Discuss
- 6. If the measure of the interior angle of a regular polygon is 90 deg greater than the measure of its exterior angle, then how many sides does it have ?
Options- A. 8
- B. 9
- C. 10
- D. 12 Discuss
- 7. Find the volume (in cub.cm) of a hemisphere of diameter 21 cm.
Options- A. 2235.5
- B. 2425.5
- C. 2040
- D. 1860 Discuss
- 8. O is the orthocentre of ?ABC , and if ?BOC = 110° then ?BAC will be
Options- A. 110°
- B. 70°
- C. 100°
- D. 90° Discuss
- 9. BE and CF are two altitudes of a triangle ABC. If AB = 6 cm , AC = 5 cm and CF = 4 cm , then the length of BE is
Options- A. 4.8 cm
- B. 7.5 cm
- C. 3.33 cm
- D. 5.5 cm Discuss
- 10. In a ?ABC , BC is extended upto D, ? ACD =120°, ? B = 1/2 A. Then ? A is
Options- A. 60°
- B. 75°
- C. 80°
- D. 90° Discuss
Volume and Surface Area problems
Search Results
Correct Answer: 3
Correct Answer: 294?3
Correct Answer: 7
Correct Answer: 8
Correct Answer: Kite
Correct Answer: 8
Correct Answer: 2425.5
Correct Answer: 70°
Correct Answer: 4.8 cm
Correct Answer: 80°
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