Given an equilateral triangle with side (a) equal to 13
Calculate the other relevant items in this triangle
Calculate Perimeter:
P = 3a
P = 3 x 13
P = 39
Calculate Semiperimeter s:
| s = | P |
| 2 |
| s = | 39 |
| 2 |
s = 19.5
Calculate Area (A):
| A = | a2√3 |
| 4 |
| A = | 132√3 |
| 4 |
| A = | 169√3 |
| 4 |
| A = | 292.71658647914 |
| 4 |
A = 73.179146619785
Calculate Bisector
| ha-ma-ta = | a√3 |
| 2 |
| ha-ma-ta = | 22.516660498395 |
| 2 |
ha-ma-ta = 11.258330249198
Calc. Circumscribed Circle Radius
| R = | a√3 |
| 3 |
| R = | 22.516660498395 |
| 3 |
R = 7.5055534994651
Calculate Inscribed Circle Radius
| r = | a√3 |
| 6 |
| r = | 22.516660498395 |
| 6 |
r = 3.7527767497326
P = 39
s = 19.5
A = 13
s = 19.5
A = 13
You have 2 free calculationss remaining
What is the Answer?
P = 39
s = 19.5
A = 13
s = 19.5
A = 13
How does the Equilateral Triangle Calculator work?
Free Equilateral Triangle Calculator - Given a side (a), this calculates the following items of the equilateral triangle:
* Perimeter (P)
* Semi-Perimeter (s)
* Area (A)
* altitudes (ha,hb,hc)
* medians (ma,mb,mc)
* angle bisectors (ta,tb,tc)
* Circumscribed Circle Radius (R)
* Inscribed Circle Radius (r)
This calculator has 1 input.
* Perimeter (P)
* Semi-Perimeter (s)
* Area (A)
* altitudes (ha,hb,hc)
* medians (ma,mb,mc)
* angle bisectors (ta,tb,tc)
* Circumscribed Circle Radius (R)
* Inscribed Circle Radius (r)
This calculator has 1 input.
What 3 formulas are used for the Equilateral Triangle Calculator?
What 6 concepts are covered in the Equilateral Triangle Calculator?
- altitude
- segment from the vertex of a triangle ot the other side of the triangle
- area
- Number of square units covering the shape
- equilateral triangle
- A triangle with 3 equal sides
- perimeter
- The distance around a shape or object
- radius
- Distance from the center of a circle to the edge
C/2π - triangle
- a flat geometric figure that has three sides and three angles
Example calculations for the Equilateral Triangle Calculator
- equilateral triangle side = 1
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- equilateral triangle side = 9
- equilateral triangle side = 10
- equilateral triangle side = 11
- equilateral triangle side = 12
- equilateral triangle side = 13
- equilateral triangle side = 14
- equilateral triangle side = 15
- equilateral triangle side = 16
- equilateral triangle side = 17
- equilateral triangle side = 18
- equilateral triangle side = 19
- equilateral triangle side = 20
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