Write a program to calculate area of a triangle with sides 10.5, 15.5, 20 cm.
Answers
Answered by
1
answer
28.0
explain my answer
10.5+ 15.5 + 20 = 28.0
Answered by
0
Answer:
(5√15)/2
Step-by-step explanation:
s=(10.5+15.5+20)/2
=46/2
=23
area=√(23-10.5)(23-15.5)(23-20)
=√12.5*7.5*3
=√(125*75*3/100)
=25√15/10
=5√15/2
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