Geometry Practice Question and Answer
8 Q: Areas of two similar triangles are 36 cm2 and 100 cm2. If the length of a side of the larger triangle is 20 cm, then the length of the corresponding side of the similar triangle is:
722 062591b9a78843749606adc56
62591b9a78843749606adc56- 115 cmfalse
- 214 cmfalse
- 312 cmtrue
- 413 cmfalse
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Answer : 3. "12 cm"
Q: 5√2 cm in a circle. If the long chord makes a right angle at the centre, then what will be the length of the radius of the circle?
712 063109ed8d9ac741324b83193
63109ed8d9ac741324b83193- 12.5 cmfalse
- 25 cmtrue
- 37.5 cmfalse
- 410 cmfalse
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Answer : 2. "5 cm"
Q: In ΔPQR, PQ=QR and O is an interior point of ΔPQR such that ∠OPR=∠ORP.
Consider the following statements:
(i) ΔPOR is an isosceles triangle.
(ii) O is the centroid of ΔPQR.
(iii) ΔPQO is congruent to ΔRQO.
Which of the above statements are correct?
706 064953b1dcae316dfef75bf02
64953b1dcae316dfef75bf02- 1Only (i) and (ii)false
- 2Only (i) and (iii)true
- 3Only (ii) and (iii)false
- 4Only (ii)false
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Answer : 2. "Only (i) and (iii) "
Q: A cube has sides that are 4 cm each, and the dimensions of a cuboid are 2cm x 3cm x 4cm. Find the positive difference between the volume of the cube and that of the cuboid.
692 0641313fedf653d9ac243a0d8
641313fedf653d9ac243a0d8- 1true
40 cm3
- 2false
120 cm3
- 3false
20 cm3
- 4false
60 cm3
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Answer : 1. "40 cm3
"
Q: In △PQR, ∠P = 90°. S and T are the mid points of sides PR and PQ, respectively. What is the value of RQ2/(QS2+ RT2)?
689 064d1f0a8a798377447183d9e
64d1f0a8a798377447183d9e- 1false
- 2true
- 3false
- 4false
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Answer : 2. " "
Q: On increasing the radius of circle by 1 cm, its area is increased by 44 cm2 .The original radius of the circle is -
683 06088fc2c06b39f63ea8ee4f0
6088fc2c06b39f63ea8ee4f0- 15.6 cmfalse
- 29 cmfalse
- 36 cmfalse
- 46.5 cmtrue
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Answer : 4. "6.5 cm"
Q: In an isosceles triangle, if the unequal angle is twice the sum of the equal angles, then each equal angle is
669 0645ce24ef75f230a7a678cb9
645ce24ef75f230a7a678cb9- 1120°false
- 260°false
- 330°false
- 490°true
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Answer : 4. "90°"
Q: AC is a chord of circle whose centre is at O. If B is any point on the arc AC and ∠OCA=200 , then the magnitude of ∠ABC is
663 062fb74158921e519c1361f2a
62fb74158921e519c1361f2a- 11000false
- 2false
400
- 3false
1300
- 4true
1100
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