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Anamika Charles , asked a question
Subject: Math , asked on 7/3/15

how do i construct a 80 degree angle with a compass...??

Sana , added an answer, on 9/3/15
4 helpful votes in Math
Hey guys, the method I will be telling isn't something which can be justified, at least by me. However, it yields desired results, so you can go ahead with it 
you must be knowing how to construct a 60 o angle, so I won't be writing down steps for that.
problem arises when we have to construct 20 o angle, so here are the steps :
  1. draw any line PQ. Mark a point O anywhere between P and Q on the line. 
  2. With O as centre, and any suitable radius, draw an arc intersecting PQ at A and B .
  3. With B as centre, and he same radius, cut an arc C on previously drawn arc AB. This is the normal 60 o angle. 
  4. With B and C as centres, cut arcs intersecting at L. This is the bisected 60o ie 30 o
  5. BUT DO NOT join L to O, instead join L to A. Angle LAQ is the required 20 o triangle. 
  6. So now you can construct  60o on it . HOPE IT HELPS :D 
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Harshvardhan , added an answer, on 15/1/17
13 unhelpful votes in Math
YES WE CAN MAKE 80 DEGREE FROM CAMPASS.
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Sanjana Godolkar , added an answer, on 18/1/13
5 helpful votes in Math

you cant. omly the multiples of 15 can be constructed in compass

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Maheeja Bh , added an answer, on 7/3/15
1 helpful votes in Math
Any angle that is not divisible by 15,is to be drawn with a protractor.
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Abhilasha Rathi , added an answer, on 2/11/12
1 helpful votes in Math

totally rong ans miss shivani ........

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Harshvardhan , added an answer, on 15/1/17
13 unhelpful votes in Math
draw a point O,and a straight line through it. Put the centre of compass on the point O, start from 0 degree and mark a small point on 80 degree and then join the point and the marked point.Then 80 degree will be constructed
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Parijat , added an answer, 3 weeks, 2 days ago
22 helpful votes in Math
A 80 degree angle can't be drawn by a compass. It can only be drawn by a protractor.
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Siwen Mohapatra , added an answer, 1 week, 2 days ago
YES WE CAN DO IT
 
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Abhilasha Rathi , added an answer, on 28/10/12
1 helpful votes in Math

but if i could make with a protactor i wouldnt hav asked this q 

u mean my book has wrong information..............yeah ....hummm.

any more answers              anyways 10x  fr the ans..!!!!!!!!!!!

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Rahul Saim , added an answer, on 17/3/15
1 unhelpful votes in Math
I had made 80degree with my compass
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Shivani , added an answer, on 28/10/12
180 helpful votes in Math

Draw a point, and a long straight line through it. Put the centre of the compass over the point, with north on the compass (or zero degrees) on the line. Then draw a second line out from the point at 80 degrees on the compass. You'll then have a 80 degree angle between the lines. 

It's usually a trick that teachers decide to do on their pupils. A compass is what you use to find north and a pair of compasses is used to draw circles.

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Anish , added an answer, on 8/2/17
same as above


 
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Abdulrahman , added an answer, on 7/3/15
4 helpful votes in Math
not possible
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Kr Bhoomika , added an answer, on 28/10/12
6 helpful votes in Math

u can use the help of a protractor

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Abdulrahman , added an answer, on 7/3/15
4 helpful votes in Math
u need to make it with a protractor
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Rahul Saim , added an answer, on 17/3/15
1 unhelpful votes in Math
I had made 80degree with my compass
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Harshvardhan , added an answer, on 15/1/17
13 unhelpful votes in Math
we can't construct 80 degree angle
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Srusti Dash , added an answer, on 28/10/12
21 helpful votes in Math

it is not possible to construct angles which are not divisible by 7.5 degree using a compass. but you are free to use a protractor for that purpose:)

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