The answer to the question is 7.5
Answer:
perimeter of the rectangular ground floor
=2(length+width)
length=X+200
width=X
=2(X+200+X)
=4x+400
4x+400 =780
4x =780-400
4x =380
x =95
width=95 feet
length=95+200
=295 feet
Answer:
15 sqrt(2) =c
Step-by-step explanation:
We can use the Pythagorean theorem
a^2 + b^2 = c^2 where a and b are the legs and c is the hypotenuse
The legs are 15 and the hypotenuse is the diagonal
15^2 + 15^2 = c^2
2 * 15^2 = c^2
Take the square root of each side
sqrt(2 * 15^2 )=sqrt( c^2)
sqrt(2) sqrt(15^2) = c
15 sqrt(2) =c
Answer:
D
Step-by-step explanation: