1. Find the area of a triangle whose sides are 18
cm, 24 cm and 30 cm.
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Answered by
2
Answer:
Use herons formula
s = (a+b+c)/2 = (18+24+30)/2 = 36
area = √[s*(s-a)(s-b)(s-c)]
= √(36*18*12*6)
= √(36*36*36)
= 6^3 = 216
Hence area of triangle is 216cm^2
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Answered by
7
Answer:
216 cm²
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