We know that,The exterior angle is equal to the sum of interior opposite angles of a triangle.Also, the sum of all angles of a triangle = 180∘In... View Article
Let n be the number of sides of a regular polygon.Each interior angle = 120°We know that,Measure of each interior angle of a regular polygon... View Article
Using the trigonometric table, sin 30° = 1/2 cos 30° = √3/2 sin 60° = √3/2 cos 60° = 1/2 (sin 30° + cos 30°) - (sin 60° + cos 60°) = [(1/2) +... View Article
Figure:Solution:Let us mark the corners for easy counting of triangles.The given figure contains 10 triangles.AGHBHICIJCJKKEGBEJAIDAKCEHCBGD... View Article
Total number of outcomes = 52i.e. n(S) = 52Let E be the event of getting a king of red colour card.n(E) = Number of kings of red cards = 2We know... View Article
Given,Number of days A will take to complete the work = 10Number of days B will take to complete the work = 15LCM(10, 15) = 30Work can be done by... View Article
The HCF (Highest Common Factor) of two consecutive odd numbers is always 1. This is because two consecutive odd numbers will not contain any... View Article
