Advertisements
Advertisements
Question
The diagonals of a rhombus are 7.5 cm and 12 cm. Find its area.
Advertisements
Solution
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 \[= \frac{1}{2}(7 . 5 \times 12) = 45 {cm}^2\]
RELATED QUESTIONS
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.
Mohan wants to buy a trapezium shaped field. Its side along the river is parallel to and twice the side along the road. It the area of this field is 10500 m2 and the perpendicular distance between the two parallel sides is 100 m, find the length of the side along the river.
Find the area of a rhombus, each side of which measures 20 cm and one of whose diagonals is 24 cm.
The length of a side of a square field is 4 m. what will be the altitude of the rhombus, if the area of the rhombus is equal to the square field and one of its diagonal is 2 m?
Find the area of the field in the form of a rhombus, if the length of each side be 14 cm and the altitude be 16 cm.
In exchange of a square plot one of whose sides is 84 m, a man wants to buy a rectangular plot 144 m long and of the same area as of the square plot. Find the width of the rectangular plot.
A garden is in the form of a rhombus whose side is 30 metres and the corresponding altitude is 16 m. Find the cost of levelling the garden at the rate of Rs 2 per m2.
A field in the form of a rhombus has each side of length 64 m and altitude 16 m. What is the side of a square field which has the same area as that of a rhombus?
Polygon ABCDE is divided in different parts as shown in figure. If AD = 8 cm, AH = 6 cm, AG = 4 cm, AF = 3 cm and BF = 2 cm, CH = 3cm, EG = 2.5 cm. Then find the area of the polygon.
