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Find the area of traingle the are 18cm 14cm 10 cm

Posted by Goutham Kumar 4 years, 8 months ago

CBSE > Class 09 > Mathematics

2 answers

Seema Chandel 4 years, 8 months ago

a=18cm b=14cm c=10cm s=18+14+10/2=42/2=21 By Heron's Formula area of triangle =√s(s-a) (s-b) (s-c) =√21(21-18)(21-14)(21-10) =√21×3×9×11 =√7×3×3×3×3×11 =3×3√7×11 =9√77cm^2

0Thank You

Suryaveer Singh Chauhan 4 years, 8 months ago

Under root 231

0Thank You

ANSWER

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CBSE > Class 09 > Mathematics