Face of the house

How tall is the gable of a house in the shape of an isosceles triangle with a base length of 8 meters and an arm 5 meters long?

Correct answer:

h =  3 m

Step-by-step explanation:

a=8 m r=5 m  r2=h2+(a/2)2  h=r2(a/2)2=52(8/2)2=3 m



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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.

 
We encourage you to watch this tutorial video on this math problem: video1   video2

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