Advertisements
Advertisements
प्रश्न
The table given below contains some measures of the rectangle. Find the unknown values.
| Length | Breadth | Perimeter | Area |
| 13 cm | ? | 54 cm | ? |
Advertisements
उत्तर
l = 13 cm
p = 54 cm
Perimeter = 2(l + b) units
54 = 2(13 + b) cm
`54/2` = 13 + b
27 = 13 + b
b = 27 – 13
b = 14 cm
Area = l × b sq.unit
= 13 × 14 cm2
A = 182 cm2
Completing the unknown values in the table.
| Length | Breadth | Perimeter | Area |
| 13 cm | 14 cm | 54 cm | 182 cm2 |
APPEARS IN
संबंधित प्रश्न
ABC is a triangle in which D is the mid-point of BC. E and F are mid-points of DC and AErespectively. IF area of ΔABC is 16 cm2, find the area of ΔDEF.
A, B, C, D are mid-points of sides of parallelogram PQRS. If ar (PQRS) = 36 cm2, then ar (ABCD) =
ABCD is a trapezium in which AB || DC. If ar (ΔABD) = 24 cm2 and AB = 8 cm, then height of ΔABC is
ABCD is a trapezium with parallel sides AB =a and DC = b. If E and F are mid-points of non-parallel sides AD and BC respectively, then the ratio of areas of quadrilaterals ABFEand EFCD is
Find the area of a rectangle whose length = 24 cm breadth =180 mm
In the same way, find the area of piece B.
In the following figure, the area of parallelogram ABCD is ______.
Area of a rectangle with length 5 cm and breadth 3 cm is ______.
Find the area of the following figure by counting squares:
Which unit is used to express area?
