Question Text
Question 1 :
Area of a rhombus whose diagonals are 8 cm and 6 cm is<br/>
Question 2 :
If the perimeter of a square is 80 cm, then its area is<br/>
Question 3 :
If the area of a trapezium is 64 cm<sup>2</sup> and the distance between parallel sides is 8 cm, then sum of its parallel sides is<br/>
Question 4 :
Area of a parallelogram is 48 cm<sup>2</sup>. If its height is 6 cm then its base is<br/>
Question 5 :
Area of a triangle is 30 cm<sup>2</sup>. If its base is 10 cm, then its height is<br/>
Question 6 :
If the dimensions of a rectangular room are 10m × 12m × 9m, then the cost of painting its four walls at the rate of ₹8 per m<sup>2</sup> is<br/>
Question 7 :
Area of a rhombus is 90 cm<sup>2</sup>. If the length of one diagonal is 10 cm then the length of other diagonal is<br/>
Question 8 :
If the length of a diagonal of a quadrilateral is 10 cm and lengths of the perpendiculars on it from opposite vertices are 4 cm and 6 cm, then area of quadrilateral is<br/>
Question 9 :
If the lengths of diagonals of a rhombus is doubled, then area of rhombus will be<br/>