What is the area of a trianle whose sides are 18,10,14
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Step-by-step explanation:
Semi - perimeter = (18 + 10 + 14)/2 units
= 42/2 units
= 21 units
Area = √{21 × (21 - 18) × (21 - 10) × (21 - 14)} sq.units
= √(21 × 3 × 11 × 7) sq.units
= 21√11 sq.units
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Answered by
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Answer:
preimeter=18+10+14=42
semiperimeter= 42/2= 21
√21(21-18)(21-10)(21-14)
√21*3*11*7=4851 is area
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