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The sides B C ,C A and A B of a triang...

The sides `B C ,C A` and `A B` of a triangle `A B C ,` are produced in order, forming exterior angles `/_A C D ,/_B A E` and `/_C B F` . Show that `/_A C D+/_B A E+/_C B F=360^0`

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RD SHARMA-PROPERTIES OF TRIANGLES-All Questions
  1. One of the exterior angles of a triangle is 80^0 , and the interior...

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  2. The exterior angles, obtained on producing the base of a triangle b...

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  3. The sides B C ,C A and A B of a triangle A B C , are produced in or...

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  4. In fig.38,\ A C|C E\ a n d\ /A :/B :/C=3:2:1, find the value of /E C D...

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  5. A student when asked to measures two exterior angles of A B C obse...

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  6. In fig.39, A D\ a n d\ C F are respectively perpendiculars to sides...

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  7. In fig.40, measures of some angles are indicted. Find the value of ...

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  8. In fig.41, A B C is a right triangle right angled at Adot\ D lies o...

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  9. A B C is a triangle in which /B=/C and ray A X bisects the exterior an...

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  10. The sides BC of A B C is product to a point D . The bisector of /A me...

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  11. D is a point on the side B C of A B Cdot A line P D Q , though D , me...

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  12. Explain in the concept of interior and exterior angles and in each ...

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  13. Compute the value of x in each of the following figures.

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  14. In each of the following there are three positive numbers. State if...

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  15. In fig.45, A B C , A B=3c m , B C=4c m\ a n d\ A C=5c mdot name the s...

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  16. In each of the following, there are three positive numbers. State i...

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  17. In fig.46, P is the point on the side B Cdot Complete each of the f...

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  18. P is point in the interior of A B C as shown in fig.47.states w...

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  19. O is a point in the exterior of A B Cdot what symbol > , <\ or\ ...

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  20. In A B C , /A=100^0,/B=30^0,/C=50^0dot name the smallest and the l...

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