Question

In the diagram above, angle 4=40 degrees. Find the measure of angle 1

Answer 1

140° is the answer.

Explanation:

The photo explains it

Answer 2

The measure of angle 1 in the diagram given is 140°

Using the parameters given for our Calculation;

• ∠4 = 40°

∠4 + ∠1 = 180° (sum of angles Supplementary is 180°)

40 + ∠1 = 180

∠1 = 180 - 40

∠1 = 140°

Hence, the measure of angle 1 is 140°