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In a A B C ,\ if\ 3/\ \ A=4/\ B=6/\ C ,...

In a ` A B C ,\ if\ 3/_\ \ A=4/_\ B=6/_\ C ,` calculate the angles.

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The correct Answer is:
`/_A= 80^(@), /_B=60^(@)` and `/_C= 40^(@)`
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RS AGGARWAL-TRIANGLES-EXERCISE 16A
  1. Take three noncollinear points A, B and C on a page of your notebook. ...

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  2. The measures of two angles of a triangle are 72^(@) and 58^(@). Find t...

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  3. The angles of a triangle are in the ratio 1:3:5. Find the measure of e...

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  4. One of the acute angles of a right triangle is 50^(@). Find the other ...

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  5. One of the angles of a triangle is 110^(@) and the other two angles ar...

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  6. If one angle of a triangle is equal to the sum of other two, show that...

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  7. In a A B C ,\ if\ 3/\ \ A=4/\ B=6/\ C , calculate the angles.

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  8. Look at the figure given below. State triangle whether it is acute, ri...

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  9. In the given figure. State triangle whether it is scalene, isosceles o...

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  10. Draw a Delta ABC. Take a point D on BC. Join AD How many triangles do ...

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  11. Can a triangle have: Two right angles? (ii) Two obtuse angles? Two acu...

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  12. A triangle has ...... sides, ...... angles and ...... vertices.

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  13. The sum of the angles of a triangle is .......

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  14. The sides of a scalene triangle are of ........... lengths.

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  15. Each angle of an equilateral triangle measures .......

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  16. The angles opposite to equal sides of an isosceles triangle are .........

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  17. The sum of the lengths of the sides of a triangle is called its .........

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