हिंदी
सी.आई.एस.सी.ई.आईसीएसई ICSE Class 7

If Two Supplementary Angles Are in the Ratio 2 : 7, Find Them. - Mathematics

Advertisements
Advertisements

प्रश्न

If two supplementary angles are in the ratio 2 : 7, find them.

योग

उत्तर

Ratio between two supplementary angles = 2 : 7

Let the angles be 2x and 7x
∴ 2x + 7x = 180°

⇒ 9x = 180°

⇒ x = `(180°)/9` = 20°

∴ First Angle is 2x = 2 × 20° = 40°
Second Angle is 7x = 7 × 20° = 140°

shaalaa.com
Concept for Pairs of Angles
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 14: Lines and Angles (Including Construction of angles) - Exercise 14 (A)

APPEARS IN

सेलिना Concise Mathematics [English] Class 7 ICSE
अध्याय 14 Lines and Angles (Including Construction of angles)
Exercise 14 (A) | Q 16
Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×