Question

(1) 4cm, 5 cm, 7 cm ​

Answer 1

Answer:

1) DrawBC=4cm

1) DrawBC=4cm2) Cut arc of 5 cm from B and arc of 7 cm from C. Mark point of intersection as A.

1) DrawBC=4cm2) 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.

1) DrawBC=4cm2) 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 B4 to C, draw a line B3C′ parallel to B4C.

1) DrawBC=4cm2) 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 B4 to C, draw a line B3C′ parallel to B4C.5) Draw a line C′A′ parallel to CA.

1) DrawBC=4cm2) 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 B4 to C, draw a line B3C′ parallel to B4C.5) Draw a line C′A′ parallel to CA.∴ΔA′BC′ is the required triangle.