Question

Q4. Write the sum of an exterior angle and its adjacent interior angle.
total anale at the center in a nie chart?​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

Let x be the exterior angle (in degrees).

Then the exterior angle is equal to the sum of the two non-adjacent interior angles.

x+45=180 (sum of adjacent angles forming a straight line)

x=180−45=135 degree ⇒ exterior angle.

Interior angle: sum of the angles inside =180

The 2 base angles of an isosceles triangle are equal, so we'll represent each as z.

z+z+45=180

2z=180−45

2z=135

z=67.5 degree ⇒ interior angle.

So, interior angle =67.5 degree, exterior angle =135 degree.

Hope it helps you