3. Find the area of a triangle whose sides are
18 cm, 24 cm and 30 cm.
Answers
Answered by
0
Answer:
apply hero's formula. get hero's formula from teacher
Answered by
3
Answer:
216sq cm
Step-by-step explanation:
It's a scalene triangle
area of scalene triangle=
where a, b and c are sides of triangle and s = (a+b+c)/2
s = (18+24+30)/2
= 72/2=36
s-a= 36-18= 18
s-b= 36-24= 12
s-c= 36- 30= 6
area of triangle= √ 36 × 18 × 12 × 6
= √6×6×6×3×6×2×6
=√6^6
=6^3
=216sq cm.
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