English
Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 9

In the figure, ABCD is a cyclic quadrilateral in which DC produced to E and CF is drawn parallel to AB such that ∠ADC = 80° and ∠ECF = 20°, then BAD = ? - Mathematics

Advertisements
Advertisements

Question

In the figure, ABCD is a cyclic quadrilateral in which DC produced to E and CF is drawn parallel to AB such that ∠ADC = 80° and ∠ECF = 20°, then BAD =?

Options

  • 100°

  • 20°

  • 120°

  • 110°

MCQ

Solution

120°

Explanation;

Hint:

∠BAD = ∠ABC + ∠ECF ...(By exterior angle property)

= 100° + 20°

= 120°

shaalaa.com
Exterior Angle of a Cyclic Quadrilateral
  Is there an error in this question or solution?
Chapter 4: Geometry - Exercise 4.7 [Page 183]

APPEARS IN

Samacheer Kalvi Mathematics [English] Class 9 TN Board
Chapter 4 Geometry
Exercise 4.7 | Q 18 | Page 183
Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×