Find the area of a triangle whose sides are 18cm ,24cm,and 30cm in length.Find the height corresponding to the greatest side.
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Answered by
0
Answer:
Area = 216cm² , Corresponding height =24cm
Answered by
1
Answer:
14.4 cm
Step-by-step explanation:
half of perimeter (s) = (18+24+30)/2 = 72/2 = 36
area = √s(s-a)*(s-b)*(s-c) = √36 (36 - 18)*(36 - 24)*(36 - 30) sq.cm
= √36*18*12*6 =216 sq.cm
now, area = 1/2 x base x height
∴ 216 = 1/2 x 30 x height ∴ height =14.4 cm
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