How to find the perimeter of a square - ACT Math

Using the Pythagorean Theorem, we can find the edge of a side to be √50, by 2a2=102. This can be reduced to 5√2. This can then be multiplied by 4 to find the perimeter.

By finding the square root of the area of the garden, you find the length of one side, which is 8. We add 3 feet to this, giving us 11, then multiply this by 4 to get 44 feet for the perimeter.

To find perimeter, simply multiply side length by . Thus,

The area of a square is given by so we know the side is 5 cm. Enlarging by a factor of two makes the new side 10 cm. The perimeter is given by , so the perimeter of the new square is 40 cm.

The area of the shaded region, which covers half of the square is 18 meaning that the total area of the square is 18 x 2, or 36. The area of a square is equal to the length of one side squared. Since the square root of 36 is 6, the length of 1 side is 6. The perimeter is the length of 1 side times 4 or 6 x 4.

1. Find the side lengths:

2. Use the side lengths to find the perimeter:

To solve, you must first find the side length.

Then, you must multiply the side length by 4 since there are 4 sides. Thus,

In this case, volume and perimeter were the same numerical value, but this won't always be the case.

Since the sides of a square are all the same, the area of a square can be found by Therefore, the side of the square must be The perimeter of a square can be found by adding up all of the four sides:

Using the Pythagorean Theorem, we can find the edge of a side to be √50, by 2a2=102. This can be reduced to 5√2. This can then be multiplied by 4 to find the perimeter.

By finding the square root of the area of the garden, you find the length of one side, which is 8. We add 3 feet to this, giving us 11, then multiply this by 4 to get 44 feet for the perimeter.

To find perimeter, simply multiply side length by . Thus,

The area of a square is given by so we know the side is 5 cm. Enlarging by a factor of two makes the new side 10 cm. The perimeter is given by , so the perimeter of the new square is 40 cm.

The area of the shaded region, which covers half of the square is 18 meaning that the total area of the square is 18 x 2, or 36. The area of a square is equal to the length of one side squared. Since the square root of 36 is 6, the length of 1 side is 6. The perimeter is the length of 1 side times 4 or 6 x 4.

1. Find the side lengths:

2. Use the side lengths to find the perimeter:

To solve, you must first find the side length.

Then, you must multiply the side length by 4 since there are 4 sides. Thus,

In this case, volume and perimeter were the same numerical value, but this won't always be the case.

Since the sides of a square are all the same, the area of a square can be found by Therefore, the side of the square must be The perimeter of a square can be found by adding up all of the four sides:

Using the Pythagorean Theorem, we can find the edge of a side to be √50, by 2a2=102. This can be reduced to 5√2. This can then be multiplied by 4 to find the perimeter.

By finding the square root of the area of the garden, you find the length of one side, which is 8. We add 3 feet to this, giving us 11, then multiply this by 4 to get 44 feet for the perimeter.

To find perimeter, simply multiply side length by . Thus,

The area of a square is given by so we know the side is 5 cm. Enlarging by a factor of two makes the new side 10 cm. The perimeter is given by , so the perimeter of the new square is 40 cm.