Maharashtra State BoardSSC (English Medium) 9th Standard
Advertisement Remove all ads

Using the Information Shown in Figure, Find the Measures of ∠ A, ∠ B and ∠ C. - Geometry

Sum

Using the information shown in figure, find the measures of ∠ a, ∠ b and ∠ c.

Advertisement Remove all ads

Solution

c + 100 = 180                (Linear angle property)      
⇒ c = 80
Now, b = 70∘     (Vertically opposite angles)      
a + b + c = 180       (Angle sum property)   
⇒ a + 70∘ + 80∘ = 180  
⇒ a + 150∘ = 180 
⇒ a = 30  
Hence, the values of a, b and c are 30, 70 and 80respectively.

  Is there an error in this question or solution?
Advertisement Remove all ads

APPEARS IN

Balbharati Mathematics 2 Geometry 9th Standard Maharashtra State Board
Chapter 3 Triangles
Practice Set 3.1 | Q 9 | Page 28
Advertisement Remove all ads
Advertisement Remove all ads
Share
Notifications

View all notifications


      Forgot password?
View in app×