Question

construct triangle where ab=5cm,angle b =60 degree,angle a =45 degree.draw the perpendicular from c to ab using compass and ruler

Answer 1

I'm giving ans step by step

1)Draw AB=5cm by ruler.
2)Now put your protector on pt.B and mark 60°
and draw a line passing through mark.
3)Now,put protector on A and mark 45° and draw line passing through mark.
4)Intersection point of two lines is your pt.C.∆ABC is constructed.
5)Now measure AC in your compass and draw an arc on AB.
6)Now,measure BC in compass and draw an arc on AB.
7)Now take ruler and draw line from pt C passing through intersection pt. of arcs.The line is perpendicular to AB.

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