Home
Class 10
MATHS
Choose the correct one If angles of a t...

Choose the correct one
If angles of a triangle are in A.P. then one of the angle is

A

40

B

50

C

60

D

90

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • AREAS RELATED TO CIRCLES

    KALYANI PUBLICATION|Exercise EXERCISE|60 Videos
  • ARITHMETIC PROGRESSION

    KALYANI PUBLICATION|Exercise EXERCISE|22 Videos

Similar Questions

Explore conceptually related problems

The measures of the angles of a triangle are in A.P. If the greatest angle is double the least angle, express the angles of the triangle in degree and radian.

The angles of a triangle are in the ratio 1:3:5. Find them in radian

Choose the correct one If 6 a,b,O are in A.P.then a+b

Prove that the ratio of the areas of two similar triangles is equal to the ratio of the squares of the bisectors of the corresponding angles of the triangles. [The end-points of the angular bisectors are on the opposite sides of the angles.]

The angles of a triangle are in A.P. and the ratio of number of degree in the least angle to the number of radian in the greatest angle is 60 :pi . Find the angles in degree.

Express the following statements by equations : The sum of the degree measures of the three angles of a triangle is 180^@ . The measure of the 2nd angle is twice that of the 1st and exceeds the thrid angle by 40^@ .

Ifa,a-2 and 3a are in A.P., then the value of a is:

Chosse the correct one If the sum of the A.P. 3,7,11…is 210 the number of term is

The sum of the degree measures of the three angles of a triangle is 180. The measure of the 2nd angle exceeds that of the 1st by 8 and the measure of the 3rd angle is twice of that of the 2nd. Find the measure of each angle.

Assuming the validity of the statement that the internal bisectors of the angles of a triangle are concurrent, prove that the altitudes of a triangle are concurrent.

KALYANI PUBLICATION-ARITHMATIC PROGRESSION-EXERCISE
  1. If the sum of first n,2n,3n terms of an A.P. be S1,S2 and S3 respectiv...

    Text Solution

    |

  2. If the sum of first n,2n,3n terms of an A.P. be S1,S2 and S3 respectiv...

    Text Solution

    |

  3. A sum of ₹700 is to be used to given seven cash prizes to students of ...

    Text Solution

    |

  4. A contract on construction job specifies a penalty for delay of comple...

    Text Solution

    |

  5. 40 coins are placed in a straight line on a ground.The distance betwee...

    Text Solution

    |

  6. For the A.P.3/2, 1/2, -1/2,-3/2write the first term and common differe...

    Text Solution

    |

  7. Find K if 10,K,-2 are in A.P.

    Text Solution

    |

  8. Are 4,4,4…in A.P.

    Text Solution

    |

  9. If a be the first term and d be the common difference write the three ...

    Text Solution

    |

  10. If a be the first term and d be the common difference write the four c...

    Text Solution

    |

  11. Fill up the gap 2,5,8,….,14,17,….are in A.P.

    Text Solution

    |

  12. Fill the gap The nth term of an A.P.whose first term is a and common ...

    Text Solution

    |

  13. Fill the gap The sum of n terms of an A.P. whose first term is a and ...

    Text Solution

    |

  14. Fill the gap Tn=Sn-….

    Text Solution

    |

  15. Fill the gap 30th ter of an A.P. 10,7,4..is……

    Text Solution

    |

  16. Choose the correct one If angles of a triangle are in A.P. then one o...

    Text Solution

    |

  17. Choose the correct one Which of the following is not an A.P. (i)1,4...

    Text Solution

    |

  18. Chosse the correct one The sum of first 100 natural number is

    Text Solution

    |

  19. Choose the correct one If 6 a,b,O are in A.P.then a+b

    Text Solution

    |

  20. Chosse the correct one If the sum of the A.P. 3,7,11…is 210 the numbe...

    Text Solution

    |