Question

Justification of angle 105,135 degree ​

Answer 1

Step-by-step explanation:

according to a formula =

Answer 2

Answer:

Angles can be effectively 'added' by constructing them so they share a side. This is shown in Constructing the sum of angles.

As an example, by first constructing a 30° angle and then a 45° angle, you will get a 75° angle. The table below shows some angles that can be obtained by summing simpler ones in various ways

To make Combine angles

75° 30° + 45°

105° 45° + 60°

120° 30° + 90° or 60° + 60°

135° 90° + 45°

150° 60° + 90°

Step-by-step explanation:

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