Find the area of triangle ABC if its perimeter is 35cm².
AB: 10cm²
BC: 10cm ²
AC: 15cm ²
Find area by heron's formula.
{ √s(s-a) (s-b) (s-c) }
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Answer:
25√6
Explanation:
p=a+b+c
35=10+15+10
35=25+c
35-25=c
10=c
s=a+b+c/2
s=10+15+25/2
(s-a)=25-10=15
(s-b)=25-15=10
(s-c)=25-25=0
√25 x 15 x 10 x 0
√ 5 x 5 x 5 x 3 x 2 x 5
5 x 5 √3 x 2
25√6
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