Advertisements
Advertisements
प्रश्न
The diagonals of a rhombus are 7.5 cm and 12 cm. Find its area.
उत्तर
Given:
Lengths of the diagonals of a rhombus are 7 . 5 cm and 12 cm.
Now, we know: Area =\[ \frac{1}{2}( d_1 \times d_2 )\]
∴ Area of rhombus \[= \frac{1}{2}(7 . 5 \times 12) = 45 {cm}^2\]
APPEARS IN
संबंधित प्रश्न
The diagonals of a rhombus are 7.5 cm and 12 cm. Find its area.
Find the area of a rhombus whose side is 5 cm and whose altitude is 4.8 cm. If one of its diagonals is 8 cm long, find the length of the other diagonal.
There is a pentagonal shaped park as shown in the figure. For finding its area Jyoti and Kavita divided it in two different ways.
Find the area of this park using both ways. Can you suggest some other way of finding its area?
Find the area of a rhombus whose side is 6 cm and whose altitude is 4 cm. If one of its diagonals is 8 cm long, find the length of the other diagonal.
The floor of a building consists of 3000 tiles which are rhombus shaped and each of its diagonals are 45 cm and 30 cm in length. Find the total cost of polishing the floor, if the cost per m2 is Rs 4.
The area of a rhombus is 84 m2. If its perimeter is 40 m, then find its altitude.
The area of a rhombus is equal to the area of a triangle whose base and the corresponding altitude are 24.8 cm and 16.5 cm respectively. If one of the diagonals of the rhombus is 22 cm, find the length of the other diagonal.
Find the area of the following polygon, if AL = 10 cm, AM = 20 cm, AN = 50 cm, AO = 60 cm and AD = 90 cm.
A regular hexagon is inscribed in a circle of radius r. The perimeter of the regular hexagon is ______.