Multiple Choice Questions on In the given figure AB CD ang ABO 40 deg and ang CDO 30 deg If ang DOB x deg then the value of x is ........ for Mathematics - All Exams Preparation

Back to Main Page

Multiple Choice Questions

In the given figure AB CD ang ABO 40 deg and ang CDO 30 deg If ang DOB x deg then the value of x is ........

Quantitative Aptitude ( CCS) Geometry
    Download Solution PDF

    In the given figure, AB || CD, ∠ABO = 40° and ∠CDO = 30°. If ∠DOB = x°, then the value of x is :

    35°

    Incorrect Answer

    110°

    Incorrect Answer

    70°

    Correct Answer
    140°
    Incorrect Answer
    छोटे Courses बड़े Results
    Master Geometry
    Prepare through Micro-courses
    Try Now
    Explanation:

    Through O draw EOF parallel to AB & so to CD.
    ∴ ∠BOF = ∠ABO = 40° (alt. ∠s)
    Similarly, ∠FOD = ∠CDO = 30° (alt. ∠s)
    ∴ ∠BOD = (40° + 30°) = 70°.
    So, x = 70°.

    By: Amit Kumar
    ProfileResources

    Let's Discuss

    Master
    Geometry
    With abhipedia
    Micro Courses
    Try Now
    What our students have to say
    Review on us
    Download Abhipedia Android App

    Access to prime resources

    Downlod from playstore
    download android app download android app for free