Answer: 8
Step-by-step explanation:
See the image
x^2 + 4x + 3 + 1 = (x + 2)^2
So 1 need to be added.
The answer is Square pyramid
Answer:
Step-by-step explanation:
The two legs of an iscosles right triangle are equal. The sides opposite each 45 degree angle are equal.
6^2 + 6^2 = x^2
36 + 36 = x^2
x^2 = 72
sqrt(x^2) = sqrt(72)
x = 6√2