# Area and Perimeter

# Half Square Triangle - Metric

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 metres 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 - Metric

#### Calculation

- the length of a side in metres
- decimal precision, the number of digits after the decimal point

#### Results

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

##### 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 metre (m) = 3.28083989501312 feet (ft)
one metre (m) = 39.3700787401575 inches (in)
one square metre (m²) = 10.7639104167097 square feet (ft²)
one square metre (m²) = 1550.0031000062 square inches (in²)

### Area and Perimeter of Various Shapes

### Changing the shape of an Area

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