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Byju's Answer
Standard VII
Mathematics
Classification of Triangles Based on Angles
Construct Δ...
Question
Construct
Δ
D
E
F
in which DE=8 cm, DF=7.2 cm, EF=6.3 cm.
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Solution
Step
1
: Draw DE
=
8
cm
Step
2
: With D as centre and radius
=
7.2
cm, draw an arc at F.
Step
3
: With E as centre, and radius
=
6.3
cm, draw an arc at F.
Step
4
: Join DF and EF.
Hence,
Δ
DEF is the required triangle.
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Q.
In □DEFG, l(EF) = 3.5 cm, l(DE) = 5.5 cm, l(DF) = 7.5 cm, l(DG) = 5 cm, l(EG) = 8 cm.