# Area and Perimeter

# Right-Angled Triangle - Metric

Calculate the area and perimeter of an right-angled triangle.

This calculator uses metres for measurements.

Right-angled triangle = a triangle where one of the inside angles equals 90°.

### Right Angled Triangle Area and Perimeter - Metric

#### Calculation

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

#### Results

- the length of the diagonal in metres
- the area of the right-angled triangle in square metres
- area in square feet
- the area in square inches
- the perimeter of the right-angled triangle in metres
- the perimeter in feet
- the perimeter in inches

##### Formula

A = ab/2
P = a+b+√a²+b²
where A is the area of the ellipse
a the length of a side
b the length of the other side
P the perimeter of the 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

### Acreage or Building Lot Calculators

### Stadium Calculators