Can you use Heron's formula?

Geometry Level 3

Let incircle of radius 4 units of a triangle A B C ABC touches the side B C BC at D D . If B D = 6 BD=6 , D C = 8 DC=8 and Δ \Delta be the area of triangle, compute Δ − 3 \sqrt { \sqrt { \Delta -3 } } .


The answer is 3.

Sahil Bansal by Sahil Bansal , 21, India

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1 solution

Ahmad Saad
Jan 30, 2016

6 Helpful 0 Interesting 1 Brilliant 1 Confused

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