Advertisements
Advertisements
Question
The side of a square field is 16 m. What will be increase in its area, if each of its sides is increased by 4 m?
Advertisements
Solution
Side of a square field (a) = 16 m
∴ Area of a square field = (a)2
= 16 × 16 m2 = 256 m2
Each of its sides is increased by 4 m
∴ New side = (16 + 4)m = 20 m
∴ New area of the square feild = (a)2
= 20 × 20 m2 = 400 m2
APPEARS IN
RELATED QUESTIONS
In the below fig. ABCD is a trapezium in which AB = 7 cm, AD = BC = 5 cm, DC = x cm,
and distance between AB and DC is 4cm. Find the value of x and area of trapezium ABCD.
Diagonal AC and BD of trapezium ABCD, in which AB || DC, intersect each other at O. The triangle which is equal in area of ΔAOD is
ABCD is a trapezium in which AB || DC. If ar (ΔABD) = 24 cm2 and AB = 8 cm, then height of ΔABC is
Find the area of a rectangle whose length and breadth are 25 m and 16 cm.
The table given below contains some measures of the rectangle. Find the unknown values.
| Length | Breadth | Perimeter | Area |
| 13 cm | ? | 54 cm | ? |
Altogether how many squares can be arranged on it?
So the area of piece A = ________ square cm
This stamp has an area of 4 square cm. Guess how many such stamps will cover this big rectangle.
The region given in the following figure is measured by taking 
as a unit. What is the area of the region?
Find the area of the following figure by counting squares:
