Question

(a) Two angles of a triangle are 30° and 45°. What type of a triangle is it?
(b) Two angles of a triangle are 50° and 40°. Prove that the triangle is right angled.
(c) Two angles of a triangle are 65 and 36º. What type of a triangle is it?​

Answer 1

Answer:

a) Scalene

b) angle sum property

angle1+angle+angle3 = 180°

50°+40°+angle3=180°

angle 3= 180°-90°

angle 3 = 90°

so its a right angle triangle.

c) don't know

Answer 2

Step-by-step explanation:

1. isosceles
2. the third angle is 90 degree so it is right angled triangle
3. its just a triangle