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How do you find the perimiter of a 45-45-90 triangle algabra way?

Anonymous

∙ 15y ago

Updated: 12/9/2022

leg+leg+hypotenuse

The legs are the two sides connected to the right angle(90). In a 45-45-90 triangle, the legs are the same length. The hypotenuse is the one not connected to the right angle (90). leg squared+ leg squared= hypotenuse squared.
Add all the sides together.

Wiki User

∙ 15y ago

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How do you find the area and perimiter of a triangle?

To find the area of a triangle find the base and the height of the triangle. Then multiply the base by the height, then divide by 2. To find the perimiter of a triangle add together the outside edge of the triangle. To find the area of a triangle find the base and the height of the triangle. Then multiply the base by the height, then divide by 2. To find the perimiter of a triangle add together the outside edge of the triangle.

What formula do you use to find the perimiter of a circle?

2 * pi * r

Find the perimiter of a square whos diagonal measures 11?

The perimeter is 31.11 units.

How do you find the perimiter of a parallagram?

Add the lengths of any two adjacent sides, and double the sum.

How do you find the area when i only have the perimiter length?

If the area is that of a circle or a regular polygon (triangle, square, reg pentagon etc) there are formulae that will enable you to do so. If it is any other shape - ellipse, irregular polygon, or worse still a random shape - then the area cannot be found.

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