Rectangle diagonal

The rectangle, one side of which is 5 cm long, is divided by a 13 cm diagonal into two triangles. Calculate the area of one of these triangles in cm2.

Correct answer:

S =  30 cm2

Step-by-step explanation:

a=5 cm u=13 cm  b=u2a2=13252=12 cm  S=2a b=25 12=30 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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