Construct a triangale of sides 5cm; 4cm 7cm canstruct a triangale similar to it whose sides are 5/3 of the carresponding sides of the given triangle no spam guys plz explain with picture
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10th
Maths
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Construction of Similar Triangles
Construct a triangle with s...
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Asked on October 15, 2019 by
Thanwani Devnal
Construct a triangle with sides 4 cm, 5 cm and 7 cm and then another triangle whose sides are
4
3
of the corresponding sides of the first triangle.
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VIDEO EXPLANATION
ANSWER
1) DrawBC=4cm
2) Cut arc of 5 cm from B and arc of 7 cm from C. Mark point of intersection as A.
3) Draw BD making an acute angle with BC. Mark 4 equal arcs on BD.
4) Join B
4
to C, draw a line B
3
C
′
parallel to B
4
C.
5) Draw a line C
′
A
′
parallel to CA.
∴ΔA
′
BC
′
is the required triangle.
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