ABC with vertics A(0,4) , B(4,0) ,C(4,1) is a/an which triangle.
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Answer:
R.E.F image
BC=
3
2
+4
2
+0
2
=
25
=5cm=a
AC=
0
2
+4
2
=
16
=4cm=b
AB=
3
2
+0
2
=
9
=3cm=c
Incenter :
O
x
=
a+b+c
aA
x
+bB
x
+cC
x
,O
y
=
a+b+c
aA
y
+bB
y
+cC
y
,O
z
=
a+b+c
aA
z
+bB
z
+cC
z
O
x
=
5+4+3
5(0)+4(3)+3(0)
,O
y
=
5+4+3
5(0)+4(0)+3(4)
,O
z
=
5+4+3
5(4)+4(4)+3(4)
O
x
=
12
12
,O
y
=
12
12
,O
z
=
12
48
O
x
=1,O
y
=1,O
z
=3
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