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b, c, d

Step-by-step explanation:

b is because of the small square you see at the angle formed by a and b. This symbol indicates that the triangle is a right triangle.

c and d are due to the pythagorean theorem, which states that a^2+b^2=c^2.

You can check this with the squares that correspond with each side. Side a is 3 squares, b is 4, and c is 5

3^2+4^2=5^2

9+15=25

25=25

for d, a has 9 squares, b has 16, and c has 25.

9+16=25

25=25

the smallest possible measurement of the width is 14 feet

step-by-step explanation:

let's assume length of parallelogram is 'l'

width of parallelogram is 'w'

the perimeter of a parallelogram must be no less than 40 feet

so, we get

we are given

length of parallelogram is 6 feet

so,

l=6

we can plug it

now, we can solve for w

subtract both sides by 12

divide both sides by 2

and we get

so,

the smallest possible measurement of the width is 14 feet

x coordinate is none

step-by-step explanation: