CBSE Board Practice

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CBSE Grade IX - Areas of Parallelograms and Triangles

Question 1

1.	In an isosceles triangle △ABC, if base BC = 17 cm and the corresponding height is 9.84 cm, then area of the triangle =
	86.61 sq.cm 78.61 sq.cm 83.61 sq.cm 80.61 sq.cm 88.61 sq.cm

Question 2

2.	In rhombus PQRS, if diagonals QS = 20.00 cm and PR = 9.17 cm, the area of the rhombus =
	91.70 sq.cm 94.70 sq.cm 86.70 sq.cm 88.70 sq.cm 96.70 sq.cm

Question 3

3.	In an isosceles right angled triangle △PQR, if corresponding height to the base QR is 14 cm, then area of the triangle =
	103.00 sq.cm 98.00 sq.cm 95.00 sq.cm 101.00 sq.cm 93.00 sq.cm

Question 4

4.	In △PQR, if base QR = 13 cm and the corresponding height of side QR = 9.97 cm, then area of the triangle =
	69.81 sq.cm 59.81 sq.cm 61.81 sq.cm 67.81 sq.cm 64.81 sq.cm

Question 5

5.	In △PQR, if QR = 13 cm, RP = 16 cm and the corresponding height of side QR = 11.8 cm, then area of the triangle =
	81.69 sq.cm 79.69 sq.cm 73.69 sq.cm 71.69 sq.cm 76.69 sq.cm

Question 6

6.	In an isosceles triangle △ABC, if BC = 16 cm, AB = CA = 20 cm, then area of the triangle =
	132.64 sq.cm 146.64 sq.cm 173.64 sq.cm 152.64 sq.cm 144.64 sq.cm

Question 7

7.	In trapezium ABCD, if distance between the parallel sides is 5.51 cm and lengths of the parallel sides AB = 19.00 cm and CD = 9.00 cm, then area of the trapezium =
	74.14 sq.cm 77.14 sq.cm 80.14 sq.cm 82.14 sq.cm 72.14 sq.cm

Question 8

8.	Consider the following triangles. Which two triangles have the same area?
	△ABC and △GHI △DEF and △JKL △ABC and △JKL △DEF and △GHI △ABC and △DEF

Question 9

9.	Consider the following parallelograms. Which two parallelograms have the same area?
	EFGH and QRST MNOP and QRST ABCD and EFGH ABCD and QRST EFGH and MNOP

Question 10

10.	In a right angled triangle △PQR, if QR = 16 cm, PQ = 13 cm are the lengths of perpendicular sides , then area of the triangle =
	79.00 sq.cm 104.00 sq.cm 102.00 sq.cm 121.00 sq.cm

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