Question

what answer of this question ​

Answer 1

Answer:

The Angle Sum Property of a triangle states that the sum of all three interior angles of a triangle equals to 180°

(i) 45° + 30° + x = 180°

75° + x = 180°

x = 180° - 75°

x = 105°

(ii) 30° + 90° + x = 180°

120° + x = 180°

x = 180° - 120°

x = 60°

Hope it helps

Answer 2

ANGLE OF A TRIANGLE = 180°

So angle ABC = 180°

A = 45°

B = 30°

C = x

45° + 30° + x = 180°

75° + x = 180°

x = 180° - 75°

x = 105°

Here is a right angle triangle So its 90°

90° + 30° + x = 180°

120° + x = 180°

x = 180° - 120°

x = 60°