If every side of a triangle is doubled, then find the percent increase 1
in area of triangle so formed.
Answers
Answered by
23
Answer:
If it's doubled ,the sides will be 2a,2b,2c. =300 percent
Answered by
0
Answer:
Heron's formula states for a triangle with sides of lengths a,b,c
A=
[s∗(s−a)∗(s−b)∗(s−c)]
where s = (a+b+c)/2
If you double the sides A=
[2s∗(2s−2a)∗(2s−2b)∗(2s−2c)]
= 4*A=
[s∗(s−a)∗(s−b)∗(s−c)]
= 4*A
The increase in area is 4*A-A = 3*A so the
Answer (C) 300%
Step-by-step explanation:
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