Q2 of 34 Page 170

In right angled triangle, ∠A is right angle and ∠B = 35°, then ∠C is _______

In the given ∆ABC,


∠A = 90°


⇒ ∠B = 35°


We know that sum of all the angles of a triangle is 180°.


⇒ ∠A + ∠B + ∠C = 180°


⇒ ∠C = 180° - 90° - 35°


⇒ ∠C = 55°

More from this chapter

All 34 →
1

Fill up the blanks to make the following statements true:

(a) Sum of the angles of a triangle is _________


(b) An exterior angle of a triangle is equal to the sum of _________ opposite angles.


(c) An exterior angle of a triangle is always _________ than either of the interior opposite angles.


(d) A triangle cannot have more than _________ right angle.


(e) A triangle cannot have more than _______ obtuse angle.

 2

In a triangle ABC, ∠A = 80° and AB = AC, then ∠B is ______

 2

In a triangle ABC, ∠B = ∠C = 45°, then the triangle is ______

 2

In an equilateral triangle, each exterior angle is _______