# Area and Perimeter

# Isosceles Triangle - Metric

Calculate the area and perimeter of an isosceles triangle.

This calculator uses metres for measurements.

Isosceles Triangle = a triangle that has two equal length sides.

### Isosceles Triangle Area and Perimeter - Metric

#### Calculation

- base length in metres
- height in metres
- decimal precision, the number of digits after the decimal point

#### Results

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

##### Formula

A = bh/2
P =a*2+b
where A is the area of the isosceles triangle
b the length of the base
h the height
P the perimeter of the triangle
a the length of a leg

##### 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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