Isosceles triangle

Calculate area and perimeter of an isosceles triangle ABC with base AB if a = 6 cm, c = 7 cm.

Correct result:

S =  17.0569 cm2
o =  19 cm

Solution:

a=6 c=7 h=a2(c/2)2=62(7/2)24.8734 S=c h/2=7 4.8734/2=17.0569 cm2
o=2a+c=2 6+7=19 cm



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Pythagorean theorem is the base for the right triangle calculator.
See also our trigonometric triangle calculator.

 
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