The sides of a triangle are18cm …
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Posted by Thejas Acharya 1 month, 4 weeks ago
- 3 answers
Sweet Home 1 month, 4 weeks ago
a=18cm , b=20cm , c=22cm
s= a+b+c/2
s= 18+20+22/2
s=60/2 =30cm
Area of triangle= √s(s-a)(s-b)(s-c)
=√30(30-18)(30-20)(30-22)
=√30(12)(10)(8)
=√2×3×5×2×3×2×2×5×2×2×2
=2×3×5×2×2√2 cm²
=120√2cm²
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Shreya Pandey 1 month, 3 weeks ago
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