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Standard IX
Mathematics
Question
Construct a triangle
P
Q
R
, whose perimeter is
22
c
m
and whose sides are in the ratio
2
:
4
:
5
. Measure the sides of the triangle.
5
,
7
,
10
4
,
8
,
10
5
,
8
,
9
None of these
A
4
,
8
,
10
B
None of these
C
5
,
8
,
9
D
5
,
7
,
10
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Solution
Verified by Toppr
The correct option is
B
4
,
8
,
10
Let the sides be
2
x
,
4
x
and
5
x
Perimeter
=
22
c
m
2
x
+
4
x
+
5
x
=
22
11
x
=
22
x
=
2
So the sides are
2
x
=
2
×
2
=
4
c
m
4
x
=
4
×
2
=
8
c
m
5
x
=
5
×
2
=
10
c
m
Option
B
is correct.
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Similar Questions
Q1
Construct a triangle
P
Q
R
, whose perimeter is
22
c
m
and whose sides are in the ratio
2
:
4
:
5
. Measure the sides of the triangle.
View Solution
Q2
Construct a triangle PQR whose perimeter is 15 cm and whose sides are in the ratio 3:4:6.