Answer:
Option (1)
Step-by-step explanation:
Coordinates of the vertices are A(-2, 1), B(2, 7), C(8, 3) and D(4, -3)
Since ABCD is a square,
Perimeter of a square = 4 × (length of a side)
= 4 × (AB)
Formula to calculate the distance between two points 
and 
is,
d = 
Therefore, distance between two points A(-2, 1) and B(2, 7) will be,
AB = 
AB = 
AB = 
AB = 
Now area of square ABCD = 4 ×
= 
unit
Therefore, option (1) will be the answer.
Answer:
The area of the triangle is 6 units^2
Step-by-step explanation:
Sam gets (500/10)*3=150<span>£
harry gets (150/100)*35= 52.5</span>£
Answer:
There will be an infinite number of solutions.
Step-by-step explanation:
From the given system of equations, we have to find the solution.
The equations are
........... (1) and
- 3x + 4y = - 20 .......... (2)
Now, simplifying the equation (1) we get
4y = 3x - 20
⇒ - 3x + 4y = - 20
which is nothing but the equation (2).
Therefore, the system of equations (1) and (2) are the same straight line.
Hence, there will be an infinite number of solutions. (Answer)
