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Q: The perimeter of a quadrilateral is 152mm the sides are 45mm 30mm 20mm what is the length of the 4th side?
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What is the formula for finding the perimeter of a quadrilateral?

The perimeter of a quadrilateral is always equal to the sum the lengths of its four sides. So perimeter = Side1 +Side2 + Side3 +Side4. If the quadrilateral happens to be a parallelogram, a quick way to calculate the perimeter is 2 x length of base + 2 x length of height.


How do you find the length of a regular quadrilaterals with a perimeter of 36?

A regular quadrilateral has its 4 sides of the same length. If the perimeter (sum of the 4 sides) is 36 it means one side is a fourth of that, or 9.


What do the sides of a quadrilateral equal?

The sum of the four sides of a quadrilateral is equal to its perimeter.


What are the lengths of quadrilaterals?

All quadrilaterals have 4 sides of various lengths and the 4 sides added together is the perimeter


What is the perimeter of a13cm and 13cm and 10cm and 10cm square?

A "square" is a figure that has four sides of equal length. To get its perimeter, you multiply any of the four sides by 4. If you mean a "quadrilateral" that has the stated sides, just add the sides together.


What are the lengths of sides of a quadrilateral if the perimeter is 54 inches?

What are the lengths of the sides of a quadrilateral if the perimeters is 54 inches


What is the missing side length of an irregular quadrilateral with side lengths 23.3cm 30.4cm and44.9cm If the perimeter is equal to the perimeter of a regular pentagon with side length 26cm?

A regular pentagon with side length 26 cm has a perimeter of 26*5 = 130 cm. The three sides of the quadrilateral sum to 98.6 cm so the fourth side must be 130-98.6 = 31.4 cm.


Is a pentagon a quadrilateral?

No, a quadrilateral must have 4 sides. If it is a proper quadrilateral it must have 4 sides of equal length but if it is an irregular quadrilateral it must have 4 sides but not have equal sides. An example of a quadrilateral could be a square. A pentagon on the other side must have 5 sides.


Can you calculate a perimeter of a rectangle but not the length of its sides?

no No. You need to know the length of a rectangle's sides in order to calculate the perimeter.


How do you find perimeter of a quadrilateral?

A quadrilateral is a four sided figure, so sum the lengths of its four sides.


How do you find perimeter of traingle and quadrilateral?

You add together the lengths of its sides.


What is the shape of a perimeter if it equals 19 km and has 4 sides?

A Quadrilateral.