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subham322669
@subham322669
September 2021
2
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perimeter of an equadrilateral triangle is 72cm . find its area . PLZ SOLVE IT I DEFINATELY MARK U A BRAINLIST
Answers & Comments
Jiyakhera
Perimeter of equilateral∆ = 3a where a = side
3a = 72
a = 72/3
a = 24
finding the area of ∆ by Heron's formula...
S = 72/2
= 36
hence area =>> 144√3
4 votes
Thanks 2
TheAstrophile
HEYA MATE!
YOUR ANSWER....
Perimeter of equilateral triangle = 3× length of one side.
Given perimeter is 72 cm.
According to the formula,
72=3x
x=24cm.
So, length of one side is 24 cm.
Now, area of equilateral triangle =
Substituting the values, we get
If you're facing any kind of problem in solving in this way, then you can use Heron's formula.
HOPE IT HELPS!
^.^
#happytohelp
2 votes
Thanks 1
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Answers & Comments
3a = 72
a = 72/3
a = 24
finding the area of ∆ by Heron's formula...
S = 72/2
= 36
hence area =>> 144√3
YOUR ANSWER....
Perimeter of equilateral triangle = 3× length of one side.
Given perimeter is 72 cm.
According to the formula,
72=3x
x=24cm.
So, length of one side is 24 cm.
Now, area of equilateral triangle =
Substituting the values, we get
If you're facing any kind of problem in solving in this way, then you can use Heron's formula.
HOPE IT HELPS!
^.^
#happytohelp