princessssp princessssp

03-05-2019
Mathematics

contestada

What is the area of a triangle with a=2, b=7, and c=8?

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jaridclark224 jaridclark224

03-05-2019

Answer:

6.44

Step-by-step explanation:

A=1/ 4 divided by﹣a4+2(ab)2+2(ac)2﹣b4+2(bc)2﹣c4 =1/ 4· divided by﹣24+2·(2·7)2+2·(2·8)2﹣74+2·(7·8)2﹣84 ≈6.4372

Sorry if it's a little complicated but that's how I learned it

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cristygardea3 cristygardea3

09-03-2021

Answer:

c.

6.4 units

Step-by-step explanation:

Answer Link

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