Advertisements
Advertisements
प्रश्न
The perimeter of a rhombus is 46 cm. If the height of the rhombus is 8 cm; find its area.
उत्तर
Let a be the length of each side of the rhombus.
4a = perimeter
4a = 46
a = 11.5 cm
We know that,
Area = Base x Height
= 11.5 x 8
= 92 sq.cm
APPEARS IN
संबंधित प्रश्न
Trapezium given below; find its area.
Trapezium given below; find its area.
A rectangular plot 85 m long and 60 m broad is to be covered with grass leaving 5 m all around. Find the area to be laid with grass.
Two adjacent sides of a parallelogram are 24 cm and 18 cm. If the distance between the longer sides is 12 cm; find the distance between the shorter sides.
Find the area and the perimeter of a square with diagonal 24 cm. [Take √2 = 1.41 ]
The floor of a room is of size 6 m x 5 m. Find the cost of covering the floor of the room with 50 cm wide carpet at the rate of Rs.24.50 per metre. Also, find the cost of carpeting the same hall if the carpet, 60 cm, wide, is at the rate of Rs.26 per metre.
Find the area of a quadrilateral field whose sides are 12m, 9m, 18m and 21m respectively and the angle between the first two sides is a right angle. Take the value of `sqrt(6)` as 2.5.
Vertices of given triangles are taken in order and their areas are provided aside. Find the value of ‘p’.
| Vertices | Area (sq.units) |
| (p, p), (5, 6), (5, –2) | 32 |
Let P(11, 7), Q(13.5, 4) and R(9.5, 4) be the midpoints of the sides AB, BC and AC respectively of ∆ABC. Find the coordinates of the vertices A, B and C. Hence find the area of ∆ABC and compare this with area of ∆PQR.
Find the area of quadrilateral BCEG
