nadzirahwahidah
nadzirahwahidah
08-06-2019
Mathematics
contestada
can someone help me how to do it
Respuesta :
habibatarek
habibatarek
08-06-2019
let the rectangular figure be ABCD and the diagonal is AC which is 10m
therefore in the right angled triangle ABC (X)^2+(2X-4)^2=(10)^2 "
Pythagorean
theorem
"
X
^
2
+
(
4X
^
2
-
16X
+
1
6
)
=
1
0
0
5X
^
2
-
16X
+
1
6
=
1
0
0
5X
^
2
-
16X
-
8
4
=
0
X
=
6
or
X
=
-
2
.
8
"
refused
as
the
length
can't
be
negative
"
length
=
6
and
the
width
=
8
perimeter
=
(
6
+
8
)
x
2
=
2
8
length
unit
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