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Q: How do you work out perimeter?
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When you try to work out the perimeter do you add or times?

To work out perimeter you always add I need to remember that


Work out the perimeter of the semi-cirle when diameter is 15cm?

The perimeter of a full circle (circumference) is "pi" times the diameter. So the perimeter of a semi-circle will be half that; Perimeter = (pi/2) x (diameter).


How do you work out the perimeter of a circle?

It is pi r 2


What is the perimeter of a twenty acre section?

It depends what shape the section is, ie what the length and width are. If you can specify this I can work out the perimeter length.


How do you work out the perimeter of the Koch snowflake fractal?

Technically, you can't. The Koch snowflake is self-similar. So the perimeter is infinity.


How do you work out a perimeter of something?

times the numbers by each other.


How do you work out the perimeter of a triangle with expressions?

ask your maths teacher


How do you work out the perimeter of scalene triangle?

By adding the three sides.


How do you work out perimeter and area?

It is different for each shape. A perimeter is the distance around an object and the area is the square units it takes up.


How do you do perimeter and area of L?

Area: Find some of the lengths, then cut the L in half and work it out from there. Perimeter: Add all the lengths together.


How do you work out the perimeter of a right angled triangle?

Add up the sides.


How do you work out the perimeter for a triangle?

-- Make sure you have the lengths of all three sides -- Add up the lengths of all three sides to get the perimeter of the triangle.