Question

How to draw an 80 degree using a ruler and a compass???

Answer 1

1.Draw a straight line using ruler scale at a convenient distance.

2.Using compass draw a small semi circle (i. e. It would be of 18 0 degrees)

3.Cut that semi circle in 3 equal parts i. E. By drawing arcs

4.As each will be of 60 degree draw a arc between 1&2 arc

5.Using ruler join that arc and base line.

Answer 2

ɦɛʀɛ ɨs ʏօʊʀ aռsաɛʀ

First draw a 90°

Then bisect the segment between 90° and 60°

Doing so you get 75°

Now bisect the segment between 75° and 90°

ɦօքɛ ɨt ɦɛʟք u

Thus you get 80°

Hope it helps…