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In a A B C , if /A=55^0,\ /B=40^0, find...

In a ` A B C ,` if `/_A=55^0,\ /_B=40^0,` find `/_C`

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To find the angle \( C \) in triangle \( ABC \) where \( \angle A = 55^\circ \) and \( \angle B = 40^\circ \), we can follow these steps: ### Step-by-Step Solution: 1. **Understand the Angle Sum Property of a Triangle**: The sum of the angles in any triangle is always \( 180^\circ \). This can be expressed mathematically as: \[ \angle A + \angle B + \angle C = 180^\circ ...
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In A B C ,\ /_A=30^0,\ /_B=40^0a n d\ /_C=110^0dot The angles of the triangle formed by joining the mid-points of the sides of this triangle are 70^0,\ 70^0,\ 40^0 (b) 60^0,\ 40^0,\ 80^0 30^0,\ 40^0,\ 110^0 (d) 60^0,\ 70^0,\ 50^0

In a /_\ ABC , if /_A = 65^(@) , /_B = 45^(@) , find /_C .

In Fig.81, side B C of A B C has been produced to D and C E B Adot If /_A B C=65^0,\ /_B A C=55^0, find /_A C E ,\ /_E C D\ a n d\ /_A C Ddot

In a triangle /_a b c ,\ /_A=50^0,\ /_B=60^0a n d\ /_C=70^0 . Find the measures of the angles of the triangle formed by joining the mid-points of the sides of this triangle.

In a rhombus A B C D , if /_A C B=40^0, then /_A D B= (a) 70^0 (b) 45^0 (c) 50^0 (d) 60^0

If in a ABC,/_A=45^(0),/_B=60^(0), and /_C=75^(@) ,find the ratio of its sides.

In a parallelogram A B C D , if /_D A B=75^0a n d\ /_D B C=60^0, then /_B D C= (a) 75^0 (b) 60^0 (c) 45^0 (d) 55^0

In a triangle ABC,/_B=105^(0),/_C=50^(@) , Find /_A

In a ABC,/_B=105^(0),/_C=50^(0), Find /_A

In a parallelogram A B C D , if /_A=(3x-20)^0,\ /_B\ (y+15)^0,\ /_C=(x+40)^0, then find the values of x\ a n d\ y

RD SHARMA-TRIANGLE AND ITS ANGLES-All Questions
  1. In A B C ,\ /B=45^0,\ /C=55^0 and bisector of /A meets B C at a point...

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  2. A ,B ,C , are three angles of a triangle. If A-B=15^@,B-C=30^@, find /...

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  3. In a A B C , if /A=55^0,\ /B=40^0, find /C

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  4. If the angles of a triangle are in the ratio 1:2:3, determine three...

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  5. The angles of a triangle are (x-40)^0,\ (x-20)^0\ a n d\ (1/2x-10)^...

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  6. The angle of a triangle are arranged in ascending order of magnitud...

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  7. Two angles of a triangle are equal and the third angle is greater t...

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  8. If one angle of a triangle is equal to the sum of the other two, sh...

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  9. A B C is a triangle in which /A=72^0, the internal bisectors of ang...

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  10. The bisectors of base angles of a triangle cannot enclose a right a...

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  11. If the bisectors of the base angles of a triangle enclose an angle ...

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  12. In a A B C ,\ /A B C=\ /A C B and the bisectors of /A B C\ a n d\ /A ...

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

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  14. If each angle of a triangle is less than the sum of the other two, ...

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  15. An exterior angle of a triangle is 110^0, and one of the interior ...

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  16. The sides B C ,\ C A\ a n d\ A B\ of a A B C , are produced in order...

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  17. In Figure, if Q T|P R ,\ /T Q R=40^0\ a n d\ \ /S P R=30^0, find x\ a ...

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  18. In Figure, side Q P\ a n d\ R Q of P Q R are produced to point S\ a n...

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  19. In Fig. 6.40, /X=62^@, /X Y Z=54^@. If YO and ZO are the bisectors of...

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  20. In Figure, if A B\ D E ,\ /B A C=35^0a n d\ /C D E=53^0, find /D C Ed...

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