Question

Solve any 4 of the following questions:-
. The measure of angles of a triangle are xº, (x-40), (x-50)". Find the
measure of each angle.​

Answer 1

x + x - 40° + x - 50° = 180° ( Angle Sum Property )

or, 3x - 90° = 180°

or, 3x = 180° + 90°

or, x = 270/3

or, x = 90°

The measure of the angles are:

x = 90°

x - 40° = 90° - 40° = 50°

x - 50° = 90° - 50° = 40°

Answer 2

Answer:

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x + x - 40° + x - 50° = 180° ( Angle Sum Property )

or, 3x - 90° = 180°

or, 3x = 180° + 90°

or, x = 270/3

or, x = 90°

The measure of the angles are:

x = 90°

x - 40° = 90° - 40° = 50°

x - 50° = 90° - 50° = 40°