CBSE Board Practice

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CBSE Grade IX - Areas of Parallelograms and Triangles
Question 1
1.
Consider the following triangles. Which two triangles have the same area?
  • △RAB and △NAB
  • △NAB and △MAB
  • △NAB and △PAB
  • △RAB and △MAB
  • △RAB and △PAB
Question 2
2.
In an isosceles right angled triangle △PQR, if corresponding height to the base QR is 12 cm, then area of the triangle =
  • 72.00 sq.cm
  • 67.00 sq.cm
  • 75.00 sq.cm
  • 77.00 sq.cm
  • 69.00 sq.cm
Question 3
3.
In a right angled triangle △PQR, if QR = 11 cm, PQ = 14 cm are the lengths of perpendicular sides , then area of the triangle =
  • 82.00 sq.cm
  • 72.00 sq.cm
  • 74.00 sq.cm
  • 77.00 sq.cm
  • 80.00 sq.cm
Question 4
4.
Consider the following triangles. Which two triangles have the same area?
  • △EFG and △KLM
  • △BCD and △KLM
  • △BCD and △EFG
  • △BCD and △HIJ
  • △EFG and △HIJ
Question 5
5.
In an isosceles triangle △ABC, if BC = 14 cm, AB = CA = 12 cm, then area of the triangle =
  • 71.23 sq.cm
  • 63.23 sq.cm
  • 73.23 sq.cm
  • 65.23 sq.cm
  • 68.23 sq.cm
Question 6
6.
In trapezium ABCD, if distance between the parallel sides is 9.75 cm and lengths of the parallel sides AB = 20.00 cm and CD = 8.00 cm, then area of the trapezium =
  • 119.50 sq.cm
  • 136.50 sq.cm
  • 132.50 sq.cm
  • 154.50 sq.cm
Question 7
7.
In parallelogram PQRS, if base PQ = 14.00 cm and the corresponding height is 10.50 cm, then area of the parallelogram =
  • 133.00 sq.cm
  • 151.00 sq.cm
  • 164.00 sq.cm
  • 125.00 sq.cm
  • 147.00 sq.cm
Question 8
8.
In an isosceles triangle △ABC, if base BC = 20 cm and the corresponding height is 12.49 cm, then area of the triangle =
  • 98.90 sq.cm
  • 106.90 sq.cm
  • 124.90 sq.cm
  • 137.90 sq.cm
  • 146.90 sq.cm
Question 9
9.
In △PQR, if base QR = 19 cm and the corresponding height of side QR = 9.47 cm, then area of the triangle =
  • 84.98 sq.cm
  • 94.98 sq.cm
  • 89.98 sq.cm
  • 86.98 sq.cm
  • 92.98 sq.cm
Question 10
10.
In △PQR, if QR = 15 cm, RP = 12 cm and the corresponding height of side QR = 11 cm, then area of the triangle =
  • 82.49 sq.cm
  • 79.49 sq.cm
  • 85.49 sq.cm
  • 77.49 sq.cm
  • 87.49 sq.cm