joshhoagland77 joshhoagland77

27-08-2021
Mathematics

contestada

Using the Triangle Sum Theorem. Determine the angle measure
of <1.
38
31
(78 and 31 degrees)

Using the Triangle Sum Theorem Determine the angle measure of lt1 38 31 78 and 31 degrees class=

Respuesta :

theleangreenbean theleangreenbean

31-08-2021

Answer:

71 degrees

Step-by-step explanation:

Hi there!

The sum of the interior angles of a triangle is always 180 degrees.

Knowing this, to solve for the measure of angle 1, subtract 78 and 31 degrees from 180:

180-78-31

= 71

Therefore, angle 1 measure 71 degrees.

I hope this helps!

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