Question

. Observe the angles in the given triangles. Find
a rule to denote the sum of two angles of any
right-angled triangle which are not 90°
(Hint: The sum of the rest of the angles is also 90°)​

Answer 1

Answer:

angle A plus angle B plus angle C = 180 (angle sum property)

angle A = 45

angle B = 45

let angle C = x

x plus 45 plus 45 = 180

x plus 90 = 180

x = 180 - 90

x = 90

angle C = 90