-12x-20-40plus 16x
-4x plus -60
The total area is 448 in^2. Each triangle is 56 in^2 and each parallelogram is 140 in^2
Answer:
(a+b)^2+(a-b)^2=2(a^2+b^2)
expanding:
a² + 2ab + b² + a² -2ab + b² = 2a² + 2b²
2a² + 2b² = 2a² + 2b²
For this, let's have:
n represent each number, the number after it is its place in sequence
/ means divide
n1 /2 = n2, etc.
