Question

Find the missing side lengths given the perimeter.

Answer 1

Explanation:

Perimeter=4y+4y+y+y

25=10y

We divide both sides with 10 => y=2,5

Answer 2

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Answer:

• y = 2.5 ft
• 4y = 10 ft

Explanation:

The perimeter is the sum of the side length. Each of the sides shown has the same length as its opposite, so the perimeter is ...

P = 2(4y +y) = 10y

Using the given value for perimeter, we find y to be ...

25 ft = 10y

2.5 ft = y

__

Then the longer side is ...

4y = 4(2.5 ft) = 10 ft . . . . length of longer side