Discussion
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- Question
From the circumcentre I of the triangle ABC, perpendicular ID is drawn on BC. If ?BAC = 60°, then the value of ?BID is
Options- A. 60°
- B. 80°
- C. 75°
- D. 45°
- Correct Answer
- 60°
- 1. ABCD is an isosceles trapezium such that AD||BC, AB = 5 cm, AD = 8 cm and BC = 14 cm. What is the area (in cm2) of trapezium?
Options- A. 36
- B. 44
- C. 88
- D. 144 Discuss
- 2. If the areas of two similar triangle are in the ratio 5 : 7, then what is the ratio of the corresponding sides of these two triangles?
Options- A. 5 : 7
- B. 25 : 49
- C. ?5 : ?7
- D. 125 : 343 Discuss
- 3. The internal bisectors of ?Q and ?R of triangle PQR meet at O. If ?P = 70°, then what is the measure of ?QOR (in degrees)?
Options- A. 110
- B. 115
- C. 125
- D. 135 Discuss
- 4. The measure of the four successive angles of a quadrilateral are in the ratio 7 : 11 : 7 : 11. The quadrilateral is a ______.
Options- A. trapezium
- B. rectangle
- C. parallelogram
- D. square Discuss
- 5. T is a point on the common tangents at P of two circles and if TA and TB are resectively the other tangents at A and B to the two circles drawn from the point T then
Options- A. TA = 2 TB
- B. TA = TB
- C. TA = 1/2 TB
- D. 3TA = TB Discuss
- 6. The lengths of two diagonals of a rhombus are 24 cm and 32 cm. What is the side (in cm) of the rhombus?
Options- A. 20
- B. 40
- C. 60
- D. 80 Discuss
- 7. PQRS is a square, M is the mid-point of PQ and N is a point on QR such that NR is two-third of QR. If the area of ?MQN is 48 cm2 , then what is the length (in cm) of PR ?
Options- A. 12?2
- B. 12
- C. 24
- D. 24?2 Discuss
- 8. The tangents drawn at points A and B of a circle with centre O, meet at P. If ?AOB = 120° and AP = 6 cm, then what is the area of triangle (in cm2) APB?
Options- A. 6?3
- B. 8?3
- C. 9
- D. 9?3 Discuss
- 9. Due to increase of k% in the side, the area of a square increases by 69%. What is the value of k?
Options- A. 30
- B. 33
- C. 34.5
- D. 35 Discuss
- 10. The length of diagonal BD of a parallelogram ABCD is 36 cm. P and Q are the centroids of triangle ABC and triangle ADC respectively. What is the length (in cm) of PQ?
Options- A. 6
- B. 9
- C. 12
- D. 18 Discuss
Volume and Surface Area problems
Search Results
Correct Answer: 44
Correct Answer: ?5 : ?7
Correct Answer: 125
Correct Answer: parallelogram
Correct Answer: TA = TB
Correct Answer: 20
Correct Answer: 24?2
Correct Answer: 9?3
Correct Answer: 30
Correct Answer: 12
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