Question

3. What is the area of triangle BCD to the nearest tenth of a square centimeter? Use special right triangles to help find the height. Show your work.

Answer 1

The triangle height  =  5√3  cm

 

So....the area  =

 

(1/2) base x height   =  (1/2) (5) (5√3)  =  (25/2)√3  

≈  21.7  cm

Answer 2

I hope this helps, if you want I can help you with other math probelm.