The triangle

The triangle has sides 5 cm long, 5 cm, 8 cm long.
What is the area of the triangle?

Correct answer:

S =  12 cm2

Step-by-step explanation:

a=5 cm c=8 cm  v2+(c/2)2=a2=52=25 v=a2(c/2)2=52(8/2)2=3 cm  S=c v2=8 32=12 cm2

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Tips to related online calculators
Pythagorean theorem is the base for the right triangle calculator.
See also our trigonometric triangle calculator.

 
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