skylarrbrts skylarrbrts
  • 02-02-2021
  • Mathematics
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Find the area of triangle ABC.
Give your answer correct to 1 decimal

Find the area of triangle ABC Give your answer correct to 1 decimal class=

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Аноним Аноним
  • 02-02-2021

Answer:

let

a=9cm

b=8cm

c=10cm

Step-by-step explanation:

now

s=(a+b+c)/2=(9+8+10)/2=13.5

area of traingle=√(s(s-a)(s-b)(s-c))=√(13.5(13.5-9)(13.5-8)(13.5-10))=34.197cm²

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