हिंदी

The diagonals of a quadrilateral ABCD bisect each other. If ∠A = 50°, then find ∠B. - Mathematics

Advertisements
Advertisements

प्रश्न

The diagonals of a quadrilateral ABCD bisect each other. If ∠A = 50°, then find ∠B.

योग
Advertisements

उत्तर

Given: The diagonals of quadrilateral ABCD bisect each other and ∠A = 50°.

Since the diagonals bisect each other, ABCD is a parallelogram.

Step-wise calculation:

In a parallelogram, adjacent angles are supplementary.

So, ∠A + ∠B = 180°.

Therefore, ∠B = 180° – ∠A

= 180° – 50° 

= 130°

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 11: Rectilinear Figures - Exercise 11A [पृष्ठ २३२]

APPEARS IN

नूतन Mathematics [English] Class 9 ICSE
अध्याय 11 Rectilinear Figures
Exercise 11A | Q 14. | पृष्ठ २३२
Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×