CBSE Board Practice

CBSE Grade IX - Areas of Parallelograms and Triangles
Question 1
1.
In an isosceles triangle △ABC, if base BC = 12 cm and the corresponding height is 18.03 cm, then area of the triangle =
  • 85.17 sq.cm
  • 108.17 sq.cm
  • 91.17 sq.cm
  • 130.17 sq.cm
  • 113.17 sq.cm
Question 2
2.
In △PQR, if base QR = 18 cm and the corresponding height of side QR = 11.93 cm, then area of the triangle =
  • 90.33 sq.cm
  • 103.33 sq.cm
  • 107.33 sq.cm
  • 119.33 sq.cm
  • 132.33 sq.cm
Question 3
3.
Consider the following triangles. Which two triangles have the same area?
  • △MAB and △SAB
  • △QAB and △OAB
  • △QAB and △SAB
  • △MAB and △QAB
  • △MAB and △OAB
Question 4
4.
In parallelogram PQRS, if base PQ = 11.00 cm and the corresponding height is 15.82 cm, then area of the parallelogram =
  • 174.02 sq.cm
  • 191.02 sq.cm
  • 159.02 sq.cm
  • 168.02 sq.cm
  • 182.02 sq.cm
Question 5
5.
In rhombus PQRS, if diagonals QS = 18.00 cm and PR = 26.46 cm, the area of the rhombus =
  • 238.14 sq.cm
  • 251.14 sq.cm
  • 243.14 sq.cm
  • 225.14 sq.cm
  • 224.14 sq.cm
Question 6
6.
In a right angled triangle △PQR, if QR = 18 cm, PQ = 17 cm are the lengths of perpendicular sides , then area of the triangle =
  • 170.00 sq.cm
  • 153.00 sq.cm
  • 169.00 sq.cm
  • 150.00 sq.cm
  • 141.00 sq.cm
Question 7
7.
In an isosceles right angled triangle △PQR, if corresponding height to the base QR is 11 cm, then area of the triangle =
  • 60.50 sq.cm
  • 57.50 sq.cm
  • 65.50 sq.cm
  • 63.50 sq.cm
  • 55.50 sq.cm
Question 8
8.
Consider the following parallelograms. Which two parallelograms have the same area?
  • EFGH and QRST
  • ABCD and EFGH
  • ABCD and QRST
  • EFGH and MNOP
  • MNOP and QRST
Question 9
9.
In an isosceles triangle △ABC, if BC = 12 cm, AB = CA = 10 cm, then area of the triangle =
  • 48.00 sq.cm
  • 51.00 sq.cm
  • 43.00 sq.cm
  • 53.00 sq.cm
  • 45.00 sq.cm
Question 10
10.
In trapezium ABCD, if distance between the parallel sides is 8.50 cm and lengths of the parallel sides AB = 20.00 cm and CD = 10.00 cm, then area of the trapezium =
  • 145.50 sq.cm
  • 114.50 sq.cm
  • 123.50 sq.cm
  • 133.50 sq.cm
  • 127.50 sq.cm