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The folding chair has different settings that change the angles formed by its parts. Suppose measure of angle 2 is 31 and the measure of angle 3 is 72. Find the measure of angle 1.

The folding chair has different settings that change the angles formed by its parts Suppose measure of angle 2 is 31 and the measure of angle 3 is 72 Find the m class=

Respuesta :

Answer:

m < 1 = 103 degrees.

Step-by-step explanation:

m < 1 = m < 3 + m < 3.   ( The external angle of a triangle theorem).

So m < 1 = 31 + 72 =  103.

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