Spike's Calculators

# 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

Length of Base m
Height m
Decimal Precision

#### Results:

Length of the Diagonal m
###### Area of the Isosceles Triangle
Square Metres
Square Feet ft²
Square Inches in²
Metres m
Feet ft
Inches in

#### Calculation

1. base length in metres
2. height in metres
3. decimal precision, the number of digits after the decimal point

#### Results

1. length of diagonal in metres
2. the area of the isosceles triangle in square metres
3. area in square feet
4. the area in square inches
5. the perimeter of the isosceles triangle in metres
6. the perimeter in feet
7. 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)
```