# Area and Perimeter

# Half Square Triangle

A half-square triangle is a square cut in half along its diagonal length. Another term for a half-square triangle is an isosceles right triangle.

This calculator uses feet and or inches for measurements.

Half square (isosceles right) triangle = a triangle with two equal length sides and 90-45-45 degree angles.

### Half Square Triangle Area and Perimeter

#### Calculation

- side length in feet and or inches
- decimal precision, the number of digits after the decimal point

#### Results

- the length of the hypotenuse in feet
- the area of the half-square triangle in decimal square feet
- area in square feet and inches
- the area in decimal square inches
- the area in square inches
- the area in square metres
- the perimeter of the half-square triangle in decimal feet
- the perimeter in lineal feet and inches
- the perimeter in decimal inches
- the perimeter in inches
- the perimeter in metres

##### Formula

h = √s²+s²
A = ss/2
where h is the length of the hypotenuse
s the length of one of the legs
A the area of the half-square triangle

##### Conversions

one square foot ( ft²) = 144 square inches (in²)
one square inch (in²) = 0.00694444444444443 square feet (ft²)
one square foot ( ft²) = 0.09290304 square metres (m²)
square inch (in²) = 0.00064516 square metres (m²)

### Area and Perimeter of Various Shapes

### Changing the shape of an Area

### Acreage or Building Lot Calculators

### Stadium Calculators