Discussion
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- Question
In a cyclic quadrilateral ABCD ?BCD=120° and passes through the centre of the circle. Then ?ABD = ?
Options- A. 30°
- B. 40°
- C. 50°
- D. 60°
- Correct Answer
- 30°
- 1. ? DEF and ? GHI are similar triangles. Length of AB is 10 cm and length of the corresponding side DE is 6 cm. What is the ratio of Perimeter of ?ABC to ?DEF?
Options- A. 5:3
- B. 3:5
- C. 25:9
- D. 9:25 Discuss
- 2. The total surface area of a hemisphere is 462 sq cm, what is its curved surface area? (Take ? = 22/7)
Options- A. 616 sq cms
- B. 154 sq cms
- C. 308 sq cms
- D. 462 sq cms Discuss
- 3. In ?DEF, G and H are points on side DE and DF respectively. GH is parallel to EF. If G divides DE in the ratio 3:2 and HF is 8 cm, then the length of DF is
Options- A. 12 cm
- B. 20 cm
- C. 14 cm
- D. 16 cm Discuss
- 4. Points P and Q lie on side AB and AC of triangle ABC respectively such that segment PQ is parallel to side BC. If the ratio of AP:PB is 1:4 and area of ? APQ is 4 sq cm, what is the area of trapezium PQCB?
Options- A. 60 sq cm
- B. 16 sq cm
- C. 96 sq cm
- D. 21 sq cm Discuss
- 5. The diagonals do not form at least two congruent triangles in a _____.
Options- A. Parallelogram
- B. Rhombus
- C. Trapezium
- D. Kite Discuss
- 6. The midpoints of AB and AC of a triangle ABC are X and Y respectively. If BC+XY=12 units, then BCXY is
Options- A. 10 units
- B. 8 units
- C. 6 units
- D. 4 units Discuss
- 7. In an isosceles ?ABC, AD is the median to the unequal side meeting BC at D. DP is the angle disector of ?ADB and PQ is drawn parallel to BC meeting AC at Q. Then the measure of ?PDQ is
Options- A. 130°
- B. 90°
- C. 180°
- D. 45° Discuss
- 8. An angle is smaller than its supplementary by 30°. What is the measure of the angle?
Options- A. 75°
- B. 105°
- C. 60°
- D. 30° Discuss
- 9. A square is inscribed in a circle. If the side of the square is 14 cm, what is the area (in sq.cm) of the circle?
Options- A. 49?
- B. 77?
- C. 121?
- D. 98? Discuss
- 10. A wooden bowl is in shape of a hollow hemisphere of internal radius 7 cm and thickness 1 cm. What is the total surface area (in sq.cm) of the bowl? (Take: = 22/7)
Options- A. 710.29
- B. 757.43
- C. 355.14
- D. 908.91 Discuss
Volume and Surface Area problems
Search Results
Correct Answer: 5:3
Correct Answer: 308 sq cms
Correct Answer: 20 cm
Correct Answer: 96 sq cm
Correct Answer: Trapezium
Correct Answer: 4 units
Correct Answer: 90°
Correct Answer: 75°
Correct Answer: 98?
Correct Answer: 757.43
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