A leg of a right triangle can never be greater then the hypotenuse
this formula will tell you if it's a valid right triangle
the first two question marks are the legs of the triangle while the one after the = is the hypotenuse.
THE STEPS:
ANSWER:
In step 2 she made a mistake of not having a positive sign for 3x because if you multiply -3 and -x that would end up as +3x
Answer:2 + x
Step-by-step explanation:
Answer:
B. area = x^2 + 2xy + y^2
Step-by-step explanation:
Area of square with side s is s^2.
This square has side x + y, so
area = (x + y)^2
area = (x + y)(x + y)
area = x^2 + xy + xy + y^2
area = x^2 + 2xy + y^2